JQUERY SANSJQUERY

Raphaël Rougeron / @goldoraf

JAVASCRIPT IL Y A 10 ANS

2006

JQUERY AUJOURD'HUI

92,2%

POLYFILLINGif ('querySelector' in document && 'localStorage' in window && 'addEventListener' in window) { // Go!} else { // Polyfill all the things...}

MODERNIZRif (Modernizr.localStorage) { // Go!} else { // Polyfill all the things...}

PREMIER EXEMPLE$("button.continue").html("Next Step...")

DOCUMENTgetElementByIdgetElementsByTagNamegetElementsByClassNamequerySelectorquerySelectorAll

document.querySelector

>= 8 >= 3.5 >= 1 >= 3.2 >= 10

$("button.continue").html("Next Step...");

document.querySelector("button.continue") .innerHTML = "Next Step...";

Et que se passe t-il si le sélecteur ne correspond à aucunélément ?

$("button.continue").html("Next Step...");

document.querySelector("button.continue") .innerHTML = "Next Step...";

Uncaught TypeError: Cannot set property 'innerHTML' ofnull

DEUXIÈME EXEMPLEvar hiddenBox = $("#banner-message");$("#button-container button").on("click", function(event) { hiddenBox.show();});

addEventListenervar hiddenBox = document.getElementByID("#banner-message");document.querySelector("#button-container button") .addEventListener("click", function(event) { hiddenBox.setAttribute("style", "display: block"); }, false);

addEventListener

>= 9 >= 1 >= 1 >= 1 >= 7

PLUS VERBEUX ?var $ = document.querySelector.bind(document);Element.prototype.on = Element.prototype.addEventListener;

var hiddenBox = $("#banner-message");$("#button-container button").on("click", function(event) { hiddenBox.setAttribute("style", "display: block");});

Element.classNamehiddenBox.className += ' hidden';

hiddenBox.className.replace('hidden', '');

Element.classListhiddenBox.classList.add('hidden');hiddenBox.classList.remove('hidden');

var hiddenBox = $("#banner-message");$("#button-container button").on("click", function(event) { hiddenBox.classList.toggle('hidden');});

Element.classList

>= 10 >= 3.6 >= 8 >= 5.1 >= 11.5

insertAdjacentHTML$('#box').before('<p>Test</p>');$('#box').after('<p>Test</p>');$('#box').append('<p>Test</p>');$('#box').prepend('<p>Test</p>');

$('#box').insertAdjacentHTML('beforebegin', '<p>Test</p>');$('#box').insertAdjacentHTML('afterend', '<p>Test</p>');$('#box').insertAdjacentHTML('beforeend', '<p>Test</p>');$('#box').insertAdjacentHTML('afterbegin', '<p>Test</p>');

DocumentFragmentvar tags = ['foo', 'bar', 'baz'], fragment = document.createDocumentFragment();

tags.forEach(function(tag) { var li = document.createElement('li'); li.textContent = tag; fragment.appendChild(li);});

var ul = document.querySelector('ul');ul.appendChild(fragment);

TABLE APIinsertRow()deleteRow()insertCell()deleteCell()createCaption()deleteCaption()createTHead()...

TROISIÈME EXEMPLE$.ajax({ url: "/api/getWeather", data: { zipcode: 97201 }, success: function(data) { $("#weather-temp").html("<strong>" + data + "</strong> degrees"); }});

XMLHttpRequestvar xhr = new XMLHttpRequest(), data = [], rawData = { zipcode: 97201 };for (var k in rawData) { data.push(encodeURIComponent(k) + "=" + encodeURIComponent(rawData[k]));}xhr.open("GET", "/api/getWeather");xhr.onload = function () { document.querySelector("#weather-temp") .innerHTML = "<strong>" + xhr.response + "</strong> degrees";};xhr.send(data.join("&"));

XMLHttpRequest etFormData

var xhr = new XMLHttpRequest(), data = new FormData(), rawData = { zipcode: 97201 };for (var k in rawData) { data.append(k, JSON.stringify(rawData[k]));}xhr.open("GET", "/api/getWeather");xhr.onload = function () { document.querySelector("#weather-temp") .innerHTML = "<strong>" + xhr.response + "</strong> degrees";};xhr.send(data);

XMLHttpRequest etFormData

var xhr = new XMLHttpRequest(), data = new FormData(document.querySelector("#zipcode"));

xhr.open("GET", "/api/getWeather");xhr.onload = function () { document.querySelector("#weather-temp") .innerHTML = "<strong>" + xhr.response + "</strong> degrees";};xhr.send(data);

FormData

>= 10 >= 4 >= 7 >= 12 >= 5

CALLBACK HELL$('#demo5').animo("rotate", { degrees:90 }, function(e) { e.element.animo( { animation: "flipOutX", keep: true } ); $('#demo6').animo("rotate", { degrees:90 }, function(e) {

e.element.animo( { animation: "flipOutY", keep: true } ); $('#demo7').animo("rotate", { degrees:90 }, function(e) {

e.element.animo( { animation: "flipOutX", keep: true } ); $('#demo8').animo("rotate", { degrees:90 }, function(e){ e.element.animo( { animation: "flipOutY", keep: true } ); }); }); });});

JQUERY DEFERREDS$.ajax({ url: "/api/getWeather", data: { zipcode: 97201 }}).done(function(data) { $("#weather-temp").html("<strong>" + data + "</strong> degrees");}).fail(function() { alert("error");});

PROMISES/A+getTweetsFor("goldoraf", function (err, results) { ...});

var promiseForTweets = getTweetsFor("goldoraf");promiseForTweets.then(function(results) { ...});

then(fulfilledHandler, errorHandler, progressHandler)

PROMISES & XHRfunction request(type, url, data) { return new Promise(function (resolve, reject) { var xhr = new XMLHttpRequest; xhr.addEventListener("error", reject); xhr.addEventListener("load", resolve); xhr.open("GET", url); xhr.send(null); });}

RÉSULTAT FINALrequest("GET", "/api/getWeather", data).then(function(result) { document.querySelector("#weather-temp") .innerHTML = "<strong>" + result + "</strong> degrees";});

CALLBACK HELLPROMISE HEAVEN

$('#demo5').animo("rotate", { degrees:90 }).then(function(e) { e.element.animo({ animation: "flipOutX", keep: true }); return $('#demo6').animo("rotate", { degrees:90 });}).then(function(e) { e.element.animo({ animation: "flipOutY", keep: true }); return $('#demo7').animo("rotate", { degrees:90 });}).then(function(e) { e.element.animo({ animation: "flipOutX", keep: true }); return $('#demo8').animo("rotate", { degrees:90 });}).then(function(e){ e.element.animo({ animation: "flipOutY", keep: true });});

ANIMATIONS$("#book").animate({ left: "+=50"}, 5000, function() { // Animation complete.});

requestAnimationFrame

>= 10 >= 4 >= 10 >= 6 >= 15

requestAnimationFramevar start = null, d = document.getElementById("#book");

function step(timestamp) { var progress; if (start === null) start = timestamp; progress = timestamp - start; d.style.left = Math.min(progress/100, 50) + "px"; if (progress < 5000) { requestAnimationFrame(step); }}

requestAnimationFrame(step);

http://www.html5rocks.com/en/tutorials/speed/rendering/

TRANSITIONS CSS3

Hello

button.foo { font-size: 40px; background: #C9C9C9; transition-property: background; -moz-transition-property: background; -webkit-transition-property: background; -o-transition-property: background; transition-duration: 500ms; -webkit-transition-duration: 500ms;}button.foo:hover { background: #959595; color: #FFF;}

ANIMATIONS CSS3

Hello

@keyframes 'my-animation' { 0% { background: #C9C9C9; } 50% { background: #61BE50; } 100% { background: #C9C9C9; }}button.bar:hover { background: #959595; color: #FFF; animation-name: 'my-animation'; animation-duration: 2s; animation-iteration-count: infinite;}

transitionendfunction whichTransitionEvent(el){ var t, transitions = { 'transition':'transitionend', 'OTransition':'oTransitionEnd', 'MozTransition':'transitionend', 'WebkitTransition':'webkitTransitionEnd' }

for (t in transitions) { if (el.style[t] !== undefined) { return transitions[t]; } }}

transitionendvar transitionEnd = whichTransitionEvent(element);element.addEventListener(transitionEnd, function(event) { // on déclenche l'animation suivante ! element.classList.add('expand');});

WEB COMPONENTSUN MODÈLE DE COMPOSANT POUR LE

WEB

TEMPLATES<template id="commentTemplate"> <div> <img src=""> <div class="comment-text"></div> </div></template>

var tpl = document.querySelector("#commentTemplate");tpl.content.querySelector(".comment-text").innerHTML = ...;document.body.appendChild(tpl.content.cloneNode(true));

DECORATORS<decorator id="modal-controls"> <template> <section> <header> <a id="toggle" href="#">Maximize</a> <a id="close" href="#">Close</a> </header> <content></content> </section> </template></decorator>

.my-modal { decorator: url(#modal-controls);}

CUSTOM ELEMENTS<element extends="button" name="my-button" attributes="foo bar"> <template>...</template> <script> </script></element>

...

SHADOW DOMHTML IMPORTS

<link rel="import" href="my-component.html">

WEB COMPONENTSAVEC X-TAG

>= 9 >= 5 >= 4 >= 4 >= 11

UN EXEMPLE ?<browser-compat ie="9" ff="5" cr="4" sa="4" op="11" />

UN EXEMPLE ?<polymer-element name="browser-compat" attributes="ie ff cr sa op"> <template> <style> </style> <table class="browser-compat"> <tr> <td><img src="images/ie.png" /></td> ... </tr> <tr> <td class="{{ie_class}}">>= {{ie}}</td> ... </tr> </table> </template> <script> </script></polymer-element>

...

...

UN EXEMPLE ?Polymer('browser-compat', { created: function() { switch(parseInt(this.ie)) { case 10: this.ie_class = 'red'; break; case 9: this.ie_class = 'yellow'; break; default: this.ie_class = 'green'; break; } }});

CODEZ POUR LE FUTUR !

Copyright Steve Thomas Art & Illustration, LLC