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  29.   <link rel="canonical" href="https://larlet.fr/david/blog/2015/cours-iut-jquery-bonus/">

  30.   <!-- SEO/Semantic metadata -->

  31.   <meta name="description" content="Il est temps qu’ils aillent faire leurs propres expériences, j’espère les recroiser." />

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  115. 

  116. 

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  172.   }

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  180.       line-height: 1.7;

  181.       padding: 1rem 1.2rem .6rem 1.2rem;

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  183.       background: #2d7474;

  184.       font-size: 1.3rem;

  185.       color: white;

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  188. h2 {

  189.   margin: 4rem 0 1rem;

  190.   border-top: .2vh solid #2d7474;

  191.   padding-top: 1vh;

  192. }

  193. h3 {

  194.   text-align: center;

  195.   margin: 3rem 0 .75em;

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  203. }

  204. time {

  205.   display: bloc;

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  208. ul, ol {

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  227.     margin: -6rem auto 1rem auto;

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  231.   article p:last-child {

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  234. p {

  235.   padding: 0 .5rem;

  236.   margin-left: 3rem;

  237. }

  238.   p + p,

  239.   figure + p {

  240.     margin-top: 2rem;

  241.   }

  242. 

  243. blockquote {

  244.   background-color: #e3e1e1;

  245.   border-left: .5vw solid #2d7474;

  246.   display: flex;

  247.   flex-direction: column;

  248.   align-items: center;

  249.   padding: 1rem;

  250.   margin: 1.5rem;

  251. }

  252.   blockquote cite {

  253.     font-style: italic;

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  255.   blockquote p {

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  258. 

  259. figure {

  260.   border-top: .2vh solid #2d7474;

  261.   background-color: #e3e1e1;

  262.   text-align: center;

  263.   padding: 1.5rem 0;

  264.   margin: 1rem 0 0;

  265.   font-size: 1.5rem;

  266.   width: 100%;

  267. }

  268.   figure img {

  269.     max-width: 250px;

  270.     max-height: 250px;

  271.     border: .5vw solid #323a45;

  272.     padding: 1px;

  273.   }

  274. figcaption {

  275.   padding: 1rem;

  276.   line-height: 1.4;

  277. }

  278. aside {

  279.   display: flex;

  280.   flex-direction: column;

  281.   background-color: #e3e1e1;

  282.   padding: 1rem 0;

  283.   border-bottom: .2vh solid #07486c;

  284. }

  285.   aside p {

  286.     max-width: 50rem;

  287.     margin: 0 auto;

  288.   }

  289. 

  290. /* https://fvsch.com/code/css-locks/ */

  291. p, li, pre, code, kbd, samp, var, tt, time, details, figcaption {

  292.   font-size: 1rem;

  293.   line-height: calc( 1.5em + 0.2 * 1rem );

  294. }

  295. h1 {

  296.   font-size: 1.9rem;

  297.   line-height: calc( 1.2em + 0.2 * 1rem );

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  300.   font-size: 1.6rem;

  301.   line-height: calc( 1.3em + 0.2 * 1rem );

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  304.   font-size: 1.35rem;

  305.   line-height: calc( 1.4em + 0.2 * 1rem );

  306. }

  307. @media (min-width: 20em) {

  308.   /* The (100vw - 20rem) / (50 - 20) part

  309.      resolves to 0-1rem, depending on the

  310.      viewport width (between 20em and 50em). */

  311.   p, li, pre, code, kbd, samp, var, tt, time, details, figcaption {

  312.     font-size: calc( 1rem + .6 * (100vw - 20rem) / (50 - 20) );

  313.     line-height: calc( 1.5em + 0.2 * (100vw - 50rem) / (20 - 50) );

  314.     margin-left: 0;

  315.   }

  316.   h1 {

  317.     font-size: calc( 1.9rem + 1.5 * (100vw - 20rem) / (50 - 20) );

  318.     line-height: calc( 1.2em + 0.2 * (100vw - 50rem) / (20 - 50) );

  319.   }

  320.   h2 {

  321.     font-size: calc( 1.5rem + 1.5 * (100vw - 20rem) / (50 - 20) );

  322.     line-height: calc( 1.3em + 0.2 * (100vw - 50rem) / (20 - 50) );

  323.   }

  324.   h3 {

  325.     font-size: calc( 1.35rem + 1.5 * (100vw - 20rem) / (50 - 20) );

  326.     line-height: calc( 1.4em + 0.2 * (100vw - 50rem) / (20 - 50) );

  327.   }

  328. }

  329. @media (min-width: 50em) {

  330.   /* The right part of the addition *must* be a

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  332.      the whole declaration to font-size:2.5rem,

  333.      but if our baseline value was not expressed

  334.      in rem we would have to use calc. */

  335.   p, li, pre, code, kbd, samp, var, tt, time, details, figcaption {

  336.     font-size: calc( 1rem + .6 * 1rem );

  337.     line-height: 1.5em;

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  339.   p, li, pre, details {

  340.     margin-left: 3rem;

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  342.   h1 {

  343.     font-size: calc( 1.9rem + 1.5 * 1rem );

  344.     line-height: 1.2em;

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  346.   h2 {

  347.     font-size: calc( 1.5rem + 1.5 * 1rem );

  348.     line-height: 1.3em;

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  350.   h3 {

  351.     font-size: calc( 1.35rem + 1.5 * 1rem );

  352.     line-height: 1.4em;

  353.   }

  354.   figure img {

  355.     max-width: 500px;

  356.     max-height: 500px;

  357.   }

  358. }

  359. 

  360. figure.unsquared {

  361.   margin-bottom: 1.5rem;

  362. }

  363.   figure.unsquared img {

  364.     height: inherit;

  365.   }

  366. 

  367. 

  368. 

  369. @media print {

  370.   body { font-size: 100%; }

  371.   a:after { content: " (" attr(href) ")"; }

  372.   a, a:link, a:visited, a:after {

  373.     text-decoration: underline;

  374.     text-shadow: none !important;

  375.     background-image: none !important;

  376.     background: white;

  377.     color: black;

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  379.   abbr[title] { border-bottom: 0; }

  380.   abbr[title]:after { content: " (" attr(title) ")"; }

  381.   img { page-break-inside: avoid; }

  382.   @page { margin: 2cm .5cm; }

  383.   h1, h2, h3 { page-break-after: avoid; }

  384.   p3 { orphans: 3; widows: 3; }

  385.   img {

  386.     max-width: 250px !important;

  387.     max-height: 250px !important;

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  389.   nav, aside { display: none; }

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  417. }

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  419. .gallery {

  420.   display: flex;

  421.   flex-wrap: wrap;

  422.   justify-content: space-around;

  423. }

  424.   .gallery figure img {

  425.     margin-left: 1rem;

  426.     margin-right: 1rem;

  427.   }

  428.   .gallery figure figcaption {

  429.     font-family: 'ConcourseT3'

  430.   }

  431. 

  432. footer {

  433.   font-family: 'ConcourseT3';

  434.   display: flex;

  435.   flex-direction: column;

  436.   border-top: 3px solid white;

  437.   padding: 4rem 0;

  438.   background-color: #07486c;

  439.   color: white;

  440. }

  441.   footer > * {

  442.     max-width: 50rem;

  443.     margin: 0 auto;

  444.   }

  445.   footer a {

  446.     color: #f1c40f;

  447.   }

  448.   footer .avatar {

  449.     width: 200px;

  450.     height: 200px;

  451.     border-radius: 50%;

  452.     float: left;

  453.     -webkit-shape-outside: circle();

  454.     shape-outside: circle();

  455.     margin-right: 2rem;

  456.     padding: 2px 5px 5px 2px;

  457.     background: white;

  458.     border-left: 1px solid #f1c40f;

  459.     border-top: 1px solid #f1c40f;

  460.     border-right: 5px solid #f1c40f;

  461.     border-bottom: 5px solid #f1c40f;

  462.   }

  463. </style>

  464. 

  465. <h1 class="single">

  466.   <span><a id="jumper" href="#jumpto" title="Un peu perdu ?">?</a></span>

  467.   Cours IUT : jQuery et Bonus

  468.   <time>Publié le 6 janvier 2015</time>

  469. </h1>

  470. <article class="single">

  471.   <blockquote>

  472. <p>As I’ve mentioned (many times) before, this blog is not about bad-mouthing jQuery. jQuery is, without a doubt, ubiquitous in the world of web development. In the earlier days of web development, jQuery was required to smooth out the significant implementation differences and bugs found in various browsers when dealing with the DOM and the Web API as a whole. Also, the Web API was quite primitive at the time, in some respects, and jQuery helped to make development a bit more intuitive.</p>

  473. <p>Browsers, and the Web API, have come a long way in the last several years. You can do a lot without jQuery, and I have mostly avoided jQuery in my new projects for the last several years. The jQuery approach may take less keystrokes, or look a bit more elegant in some cases. That’s fine, but the point of this blog isn’t to help you reduce the number of keystrokes, or write more beautiful code.</p>

  474. <p><cite><em><a href="http://blog.garstasio.com/you-dont-need-jquery/events/">You Don’t Need jQuery!</a></em> (<a href="/david/cache/5313a28c96bbd1aa04754c52522d952e/">cache</a>)</cite></p>

  475. </blockquote>

  476. <p>Quand il n’y en a plus, <a href="/david/pro/enseignement/">il y en a encore</a> :-). On était passés <a href="/david/blog/2014/cours-iut-javascript-jquery/">un peu rapidement sur jQuery</a> la dernière fois alors les étudiants en redemandent. Suite à une sondage à la représentativité douteuse sur Twitter, je me suis rendu compte que jQuery n’était plus utilisé que pour quelques raisons :</p>

  477. <ol>

  478. <li>la compatibilité IE8</li>

  479. <li>le support du code existant et de sa qualité inégale selon les intervenants</li>

  480. <li>l’inclusion par défaut dans <a href="http://getbootstrap.com/">Bootstrap</a></li>

  481. </ol>

  482. <p>J’exclus la première raison vu que j’enseigne <a href="/david/blog/2014/cours-iut-flexbox-styleguide/">pour aujourd’hui et demain</a>. Je mets de côté la seconde car il faudrait les mettre en situation avec du code en production et je peux difficilement gérer ce type d’interactions à 24. Il reste l’intégration de morceaux de code existants et/ou celui de Bootstrap. C’est assez éloigné d’un carousel ou d’une galerie d’images comme ils me l’avaient demandé mais ça me semble plus pertinent (et de toute façon <a href="http://photoswipe.com/">ça existe maintenant</a> en <a href="http://vanilla-js.com/">vanilla-js</a>).</p>

  483. <p>Partons sur un exemple concret à base de <a href="http://templated.co/">gabarits sous Creative Commons</a> et d’<a href="http://www.resplashed.com/">images libres de droits</a>, ça changera des images récupérées sous Google Images et du copier/coller d’anciens projets. Premier exercice, intégrer jQuery dans une maquette existante. Deuxième exercice, animer une partie de manière pertinente pour l’utilisateur. Troisième exercice, vérifier que c’est beaucoup plus compliqué à faire en CSS ou JS (c’est le moment d’introduire <a href="http://blog.garstasio.com/you-dont-need-jquery/">You Don’t Need jQuery!</a> de manière très subtile !). Quatrième exercice, explorer Bootstrap et ce qui utilise réellement jQuery dans les différents composants/animations proposés et la notion de plugins.</p>

  484. <p>Ce sera aussi l’occasion de reparler de la correction précédente de <a href="/david/blog/2014/cours-iut-evaluation-bilan/">l’auto-évaluation</a> et des notes qui en ont découlées. <a href="http://css-tricks.com/rems-ems/">Donner</a> <a href="http://csswizardry.com/2013/01/mindbemding-getting-your-head-round-bem-syntax/">quelques</a> <a href="https://dorey.github.io/JavaScript-Equality-Table/">derniers</a> <a href="http://www.js-attitude.fr/2014/12/26/clusterfucks/">conseils</a> <a href="http://chriswrightdesign.com/experiments/flexbox-adventures/">pratiques</a> <a href="http://www.poormansstyleguide.com/">notamment</a> <a href="https://bufferapp.com/style-guide#introduction">sur les</a> <a href="http://bradfrost.com/blog/post/style-guide-best-practices/">styleguides</a>. Et pour terminer ? Une petite note récente du W3C au sujet <a href="http://www.w3.org/TR/html5-diff/">des différences HTML4/HTML5</a> ça peut toujours servir.</p>

  485. <p><strong>Il est temps qu’ils aillent faire leurs propres expériences, j’espère les recroiser.</strong></p>

  486. </article>

  487. 

  488. 

  489.   <figure class="image" property="schema:image">

  490.     <img src="/static/david/blog/2015/cours-iut-jquery-bonus.jpg" alt="" />

  491.   </figure>

  492. 

  493. 

  494. 

  495. <nav id="jumpto">

  496.   <p>

  497.     <a rel=prev href="/david/blog/2015/publier-enseigner-cultiver/">← Publier, enseigner et cultiver</a> | <a href="/david/blog/" title="Retour à la liste des expériences">↑</a> | <a rel=next href="/david/blog/2015/livre-diffusion/">Livre et diffusion →</a>

  498.   </p>

  499. </nav>

  500. 

  501. <footer>

  502.   <div>

  503.     <img src="/static/david/david-larlet-avatar.jpg" loading="lazy" class="avatar" width="200" height="200">

  504.     <p>

  505.       Bonjour/Hi!

  506.       Je suis <a href="/david/" title="Profil public">David&nbsp;Larlet</a>, je vis actuellement à Montréal et j’alimente cet espace depuis 15 ans. <br>

  507.       Si tu as apprécié cette lecture, n’hésite pas à poursuivre ton exploration. Par exemple via les <a href="/david/blog/" title="Expériences bienveillantes">réflexions bimestrielles</a>, la <a href="/david/stream/2019/" title="Pensées (dés)articulées">veille hebdomadaire</a> ou en t’abonnant au <a href="/david/log/" title="S’abonner aux publications via RSS">flux RSS</a> (<a href="/david/blog/2019/flux-rss/" title="Tiens c’est quoi un flux RSS ?">so 2005</a>).

  508.     </p>

  509.     <p>

  510.       Je m’intéresse à la place que je peux avoir dans ce monde. En tant qu’humain, en tant que membre d’une famille et en tant qu’associé d’une coopérative. De temps en temps, je fais aussi des <a href="https://github.com/davidbgk" title="Principalement sur Github mais aussi ailleurs">trucs techniques</a>. Et encore plus rarement, <a href="/david/talks/" title="En ce moment je laisse plutôt la place aux autres">j’en parle</a>.

  511.     </p>

  512. 

  513.       <p>

  514.         Les dernières publications hebdomadaires sont :

  515.       </p>

  516.       <ul class="with_columns">

  517. 

  518.           <li>

  519.             <a href="/david/stream/2019/12/31/">Merci</a>

  520.           </li>

  521. 

  522.           <li>

  523.             <a href="/david/stream/2019/12/27/">Intemporels</a>

  524.           </li>

  525. 

  526.           <li>

  527.             <a href="/david/stream/2019/12/24/">Outils</a>

  528.           </li>

  529. 

  530.           <li>

  531.             <a href="/david/stream/2019/12/17/">Origines</a>

  532.           </li>

  533. 

  534.           <li>

  535.             <a href="/david/stream/2019/12/10/">Publier</a>

  536.           </li>

  537. 

  538.           <li>

  539.             <a href="/david/stream/2019/12/03/">En forêt</a>

  540.           </li>

  541. 

  542.           <li>

  543.             <a href="/david/stream/2019/11/26/">Ecocentric</a>

  544.           </li>

  545. 

  546.           <li>

  547.             <a href="/david/stream/2019/11/19/">Se livrer</a>

  548.           </li>

  549. 

  550.           <li>

  551.             <a href="/david/stream/2019/11/12/">Dépendances</a>

  552.           </li>

  553. 

  554.           <li>

  555.             <a href="/david/stream/2019/11/05/">Positif</a>

  556.           </li>

  557. 

  558.           <li>

  559.             <a href="/david/stream/2019/10/29/">Dettes</a>

  560.           </li>

  561. 

  562.           <li>

  563.             <a href="/david/stream/2019/10/22/">Privilèges</a>

  564.           </li>

  565. 

  566.           <li>

  567.             <a href="/david/stream/2019/10/15/">Discrétion</a>

  568.           </li>

  569. 

  570.           <li>

  571.             <a href="/david/stream/2019/10/08/">Désespérance</a>

  572.           </li>

  573. 

  574.           <li>

  575.             <a href="/david/stream/2019/10/01/">Présent</a>

  576.           </li>

  577. 

  578.           <li>

  579.             <a href="/david/stream/2019/09/24/">Manifester</a>

  580.           </li>

  581. 

  582.           <li>

  583.             <a href="/david/stream/2019/09/17/">Arpenter</a>

  584.           </li>

  585. 

  586.           <li>

  587.             <a href="/david/stream/2019/09/10/">Nostalgie</a>

  588.           </li>

  589. 

  590.           <li>

  591.             <a href="/david/stream/2019/09/03/">Déconstruire</a>

  592.           </li>

  593. 

  594.           <li>

  595.             <a href="/david/stream/2019/08/27/">Documenter</a>

  596.           </li>

  597. 

  598.           <li>

  599.             <a href="/david/stream/2019/08/20/">Frustration</a>

  600.           </li>

  601. 

  602.           <li>

  603.             <a href="/david/stream/2019/08/13/">Holisme</a>

  604.           </li>

  605. 

  606.           <li>

  607.             <a href="/david/stream/2019/08/06/">1%</a>

  608.           </li>

  609. 

  610.           <li>

  611.             <a href="/david/stream/2019/07/30/">Exemplarité</a>

  612.           </li>

  613. 

  614.           <li>

  615.             <a href="/david/stream/2019/07/23/">Timelines</a>

  616.           </li>

  617. 

  618.           <li>

  619.             <a href="/david/stream/2019/07/16/">Écoute</a>

  620.           </li>

  621. 

  622.           <li>

  623.             <a href="/david/stream/2019/07/02/">Anxiété</a>

  624.           </li>

  625. 

  626.           <li>

  627.             <a href="/david/stream/2019/06/21/">À lier</a>

  628.           </li>

  629. 

  630.           <li>

  631.             <a href="/david/stream/2019/06/14/">Pauvreté</a>

  632.           </li>

  633. 

  634.           <li>

  635.             <a href="/david/stream/2019/06/07/">Amateur</a>

  636.           </li>

  637. 

  638.           <li>

  639.             <a href="/david/stream/2019/05/31/">Pollution</a>

  640.           </li>

  641. 

  642.           <li>

  643.             <a href="/david/stream/2019/05/24/">Apaisement</a>

  644.           </li>

  645. 

  646.           <li>

  647.             <a href="/david/stream/2019/05/10/">Folie</a>

  648.           </li>

  649. 

  650.           <li>

  651.             <a href="/david/stream/2019/05/03/">Sympathie</a>

  652.           </li>

  653. 

  654.           <li>

  655.             <a href="/david/stream/2019/04/12/">Péremption</a>

  656.           </li>

  657. 

  658.           <li>

  659.             <a href="/david/stream/2019/04/05/">Définitions</a>

  660.           </li>

  661. 

  662.           <li>

  663.             <a href="/david/stream/2019/03/29/">Acceptation</a>

  664.           </li>

  665. 

  666.           <li>

  667.             <a href="/david/stream/2019/03/22/">Dissonance</a>

  668.           </li>

  669. 

  670.           <li>

  671.             <a href="/david/stream/2019/03/15/">Reconnaissance</a>

  672.           </li>

  673. 

  674.           <li>

  675.             <a href="/david/stream/2019/03/08/">Lecture</a>

  676.           </li>

  677. 

  678.           <li>

  679.             <a href="/david/stream/2019/03/01/">Journaux</a>

  680.           </li>

  681. 

  682.           <li>

  683.             <a href="/david/stream/2019/02/22/">Écriture</a>

  684.           </li>

  685. 

  686.           <li>

  687.             <a href="/david/stream/2019/02/15/">Kyriarchie</a>

  688.           </li>

  689. 

  690.           <li>

  691.             <a href="/david/stream/2019/02/08/">Mots-serrures</a>

  692.           </li>

  693. 

  694.           <li>

  695.             <a href="/david/stream/2019/02/01/">Sans voie</a>

  696.           </li>

  697. 

  698.           <li>

  699.             <a href="/david/stream/2019/01/25/">Auto-diagnostic</a>

  700.           </li>

  701. 

  702.           <li>

  703.             <a href="/david/stream/2019/01/18/">Agilité</a>

  704.           </li>

  705. 

  706.           <li>

  707.             <a href="/david/stream/2019/01/11/">Métaphores</a>

  708.           </li>

  709. 

  710.           <li>

  711.             <a href="/david/stream/2019/01/04/">Balbutiements</a>

  712.           </li>

  713. 

  714.       </ul>

  715. 

  716.     <p>

  717.       Voici quelques articles choisis :

  718.       <a href="/david/blog/2019/faire-equipe/" title="Accéder à l’article complet">Faire équipe</a>,

  719.       <a href="/david/blog/2018/bivouac-automnal/" title="Accéder à l’article complet">Bivouac automnal</a>,

  720.       <a href="/david/blog/2018/commodite-effondrement/" title="Accéder à l’article complet">Commodité et effondrement</a>,

  721.       <a href="/david/blog/2017/donnees-communs/" title="Accéder à l’article complet">Des données aux communs</a>,

  722.       <a href="/david/blog/2016/accompagner-enfant/" title="Accéder à l’article complet">Accompagner un enfant</a>,

  723.       <a href="/david/blog/2016/senior-developer/" title="Accéder à l’article complet">Senior developer</a>,

  724.       <a href="/david/blog/2016/illusion-sociale/" title="Accéder à l’article complet">L’illusion sociale</a>,

  725.       <a href="/david/blog/2016/instantane-scopyleft/" title="Accéder à l’article complet">Instantané Scopyleft</a>,

  726.       <a href="/david/blog/2016/enseigner-web/" title="Accéder à l’article complet">Enseigner le Web</a>,

  727.       <a href="/david/blog/2016/simplicite-defaut/" title="Accéder à l’article complet">Simplicité par défaut</a>,

  728.       <a href="/david/blog/2016/minimalisme-esthetique/" title="Accéder à l’article complet">Minimalisme et esthétique</a>,

  729.       <a href="/david/blog/2014/un-web-omni-present/" title="Accéder à l’article complet">Un web omni-présent</a>,

  730.       <a href="/david/blog/2014/manifeste-developpeur/" title="Accéder à l’article complet">Manifeste de développeur</a>,

  731.       <a href="/david/blog/2013/confort-convivialite/" title="Accéder à l’article complet">Confort et convivialité</a>,

  732.       <a href="/david/blog/2013/testament-numerique/" title="Accéder à l’article complet">Testament numérique</a>,

  733.       et <a href="/david/blog/" title="Accéder aux archives">bien d’autres…</a>

  734.     </p>

  735.     <p>

  736.       On peut <a href="mailto:david%40larlet.fr" title="Envoyer un courriel">échanger par courriel</a>. Si éventuellement tu souhaites que l’on travaille ensemble, tu devrais commencer par consulter le <a href="http://larlet.com">profil dédié à mon activité professionnelle</a> et/ou contacter directement <a href="http://scopyleft.fr/">scopyleft</a>, la <abbr title="Société coopérative et participative">SCOP</abbr> dont je fais partie depuis six ans. Je recommande au préalable de lire <a href="/david/blog/2018/cout-site/" title="Attention ce qui va suivre peut vous choquer">combien coûte un site</a> et pourquoi je suis plutôt favorable à une <a href="/david/pro/devis/" title="Discutons-en !">non-demande de devis</a>.

  737.     </p>

  738.     <p>

  739.       Je ne traque pas ta navigation mais mon

  740.       <abbr title="Alwaysdata, 62 rue Tiquetonne 75002 Paris, +33.184162340">hébergeur</abbr>

  741.       conserve des logs d’accès.

  742.     </p>

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