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Introdução Gustavo Dutra

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void bogosort(int size, int *array) { int i, j; for (i = 1; i <= size; i++) if (i == size) return; else if (array[i-1] > array[i]) break; for (i = 0; i < size; i++) { j = rand() % size; if (array[i] != array[j]) { int aux = array[i]; array[i] = array[j]; array[j] = aux; } } bogosort(size, array); } Adaptado de http://pt.wikipedia.org/wiki/Bogosort#C C

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from random import shuffle def bogosort(seq): while not all(x<=y for x,y in zip(seq,seq[1:])): shuffle(seq) return seq Adaptado de http://pt.wikipedia.org/wiki/Bogosort#Python Python

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w t f ?

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DOM - Data Object Model Define um padrão para acessar documentos DOM Core Qualquer documento DOM XML XML DOM HTML HTML Fonte: http://www.w3schools.com/HTMLDOM/dom_intro.asp OBJETOS MÉTODOS PROPRIEDADES Padrão do quê?

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HTML DOM var el = document.getElementById("myDiv"); el.parentNode.removeChild(el);

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HTML DOM var el = document.getElementById("myDiv"); el.parentNode.removeChild(el); jQuery $("#myDiv").remove(); HTML DOM SUCKS!

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E se o JavaScript não estiver habilitado? E se mudar o nome da função validDate ? E se for adicionado mais parâmetros?

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MANDA O ESTAGIÁRIO! E se o JavaScript não estiver habilitado? E se mudar o nome da função validDate ? E se for adicionado mais parâmetros?

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window.onload = function() { var inputs = document.getElementsByTagName("input"); for (var i = 0; i < inputs.length; i++) { if (inputs.[i].className == 'date') { inputs[i].onchange = function() { validDate(this); } } } } function validDate(element) { //... }

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Javascript Não-Obstrusivo

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Javascript Não-Obstrusivo Graceful Degradation Progressive Enhancement

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Javascript Não-Obstrusivo Não suponha, VERIFIQUE! Graceful Degradation Progressive Enhancement

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Javascript Não-Obstrusivo Valide em mais de um browser! Não suponha, VERIFIQUE! Graceful Degradation Progressive Enhancement

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Javascript Não-Obstrusivo Mantenha os scripts o mais seguro POSSÍVEL Valide em mais de um browser! Não suponha, VERIFIQUE! Graceful Degradation Progressive Enhancement

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DOM SUCKS + Javascript Não-Obstrusivo

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DOM SUCKS + Javascript Não-Obstrusivo originaram jQuery

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jQuery Core

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jQuery Core Ajax

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jQuery Core Attributes Ajax

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jQuery Core Manipulation Attributes Ajax

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jQuery Core Effects Manipulation Attributes Ajax

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jQuery Core Traversing Effects Manipulation Attributes Ajax

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jQuery Core Selectors Traversing Effects Manipulation Attributes Ajax

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jQuery Core Events Selectors Traversing Effects Manipulation Attributes Ajax

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jQuery Core CSS Events Selectors Traversing Effects Manipulation Attributes Ajax

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jQuery Core Internals CSS Events Selectors Traversing Effects Manipulation Attributes Ajax

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jQuery Core Utilities Internals CSS Events Selectors Traversing Effects Manipulation Attributes Ajax

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jQuery Core jQuery UI Utilities Internals CSS Events Selectors Traversing Effects Manipulation Attributes Ajax

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jQuery Core Plugins jQuery UI Utilities Internals CSS Events Selectors Traversing Effects Manipulation Attributes Ajax

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Lets Begin

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jQuery === $ ((typeof jQuery) == "function") ((typeof $) == "function")

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jQuery === Jaspion Jaspion = $.noConflict() ((typeof $) == "undefined")

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window.onload = function() { // ... }

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$(document).ready(function() { // ... }); $(function() { // ... }); OU

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$("div") $("#id") $(".class") $("div#id > div") $("ul li") $("ul li:first,ul li:last") $("ul li:not(li.active)") $("li:contains(Home)") $("li.active ~ li") div#id div.class ul li li.active li div#id div.class ul li li.active li body S E L E T O R E S

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$("div") $("#id") $(".class") $("div#id > div") $("ul li") $("ul li:first,ul li:last") $("ul li:not(li.active)") $("li:contains(Home)") $("li.active ~ li") div#id div.class ul li li.active li div#id div.class ul li li.active li body S E L E T O R E S

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$("div") $("#id") $(".class") $("div#id > div") $("ul li") $("ul li:first,ul li:last") $("ul li:not(li.active)") $("li:contains(Home)") $("li.active ~ li") div#id div.class ul li li.active li div#id div.class ul li li.active li div#id div.class ul li li.active li div#id div.class ul li li.active li body S E L E T O R E S

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$("div") $("#id") $(".class") $("div#id > div") $("ul li") $("ul li:first,ul li:last") $("ul li:not(li.active)") $("li:contains(Home)") $("li.active ~ li") div#id div.class ul li li.active li div#id div.class ul li li.active li div#id div.class ul li li.active li div#id div.class ul li li.active li body S E L E T O R E S

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$("div") $("#id") $(".class") $("div#id > div") $("ul li") $("ul li:first,ul li:last") $("ul li:not(li.active)") $("li:contains(Home)") $("li.active ~ li") div#id div.class ul li li.active li div#id div.class ul li li.active li div#id div.class ul li li.active li div#id div.class ul li li.active li body S E L E T O R E S

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div#id div.class ul li li.active li div#id div.class ul li li.active li div#id div.class ul li li.active li div#id div.class ul li li.active li div#id div.class ul li li.active li div#id div.class ul li li.active li div#id div.class ul li li.active li div#id div.class ul li li.active li $("div") $("#id") $(".class") $("div#id > div") $("ul li") $("ul li:first,ul li:last") $("ul li:not(li.active)") $("li:contains(Home)") $("li.active ~ li") body S E L E T O R E S

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div#id div.class ul li li.active li div#id div.class ul li li.active li div#id div.class ul li li.active li div#id div.class ul li li.active li $("div") $("#id") $(".class") $("div#id > div") $("ul li") $("ul li:first,ul li:last") $("ul li:not(li.active)") $("li:contains(Home)") $("li.active ~ li") body S E L E T O R E S

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div#id div.class ul li li.active li div#id div.class ul li li.active li div#id div.class ul li li.active li div#id div.class ul li li.active li $("div") $("#id") $(".class") $("div#id > div") $("ul li") $("ul li:first,ul li:last") $("ul li:not(li.active)") $("li:contains(Home)") $("li.active ~ li") body S E L E T O R E S

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div#id div.class ul li li.active li div#id div.class ul li li.active li div#id div.class ul li li.active li div#id div.class ul li li.active li $("div") $("#id") $(".class") $("div#id > div") $("ul li") $("ul li:first,ul li:last") $("ul li:not(li.active)") $("li:contains(Home)") $("li.active ~ li") body S E L E T O R E S

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var el = getElementById("myId"); $("li", el); var el = $("#myId"); $("li", el); $("#myId li"); $("li", "#myId"); C O N T E X T O

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A T R I B U T O S $(...)

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A T R I B U T O S $(...) .addClass("css-class") .removeClass("css-class") .toggleClass("css-class")

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A T R I B U T O S $(...) .html() .html("innerHTML") .addClass("css-class") .removeClass("css-class") .toggleClass("css-class")

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A T R I B U T O S $(...) .text() .text("text") .html() .html("innerHTML") .addClass("css-class") .removeClass("css-class") .toggleClass("css-class")

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A T R I B U T O S $(...) .attr("id") .attr("id", "new-id") .text() .text("text") .html() .html("innerHTML") .addClass("css-class") .removeClass("css-class") .toggleClass("css-class")

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A T R I B U T O S $(...) .val() .val("input value"); .attr("id") .attr("id", "new-id") .text() .text("text") .html() .html("innerHTML") .addClass("css-class") .removeClass("css-class") .toggleClass("css-class")

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$(...) .children() A T R A V E S S A R

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$(...) .children() .eq(0) A T R A V E S S A R

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$(...) .children() .eq(0) .next() A T R A V E S S A R

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$(...) .children() .eq(0) .next() .prev() A T R A V E S S A R

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$(...) .children() .eq(0) .next() .prev() .find(...) A T R A V E S S A R

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$(...) .children() .eq(0) .next() .prev() .find(...) .end() A T R A V E S S A R

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M A N I P U L A R .prepend() .append() $(...)

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M A N I P U L A R .after() $(...) .before() $(...)

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M A N I P U L A R $(...) .wrap(...) $(...) $(...) $(...) .clone(...) $(...) .clone() cria elementos soltos do documento

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E V E N T O S .click(function(event) { // ... }); .dblclick(function(event) { // ... }); .blur(function(event) { // ... }); .keypress(function(event) { // ... });

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E V E N T O S .hover(function(event) { // mouseenter },function(event) { // mouseleave });

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E V E N T O S .bind('click', function(event) { // ... }); .trigger('click'); .triggerHandler('click');

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E V E N T O S .bind('myEv', function(event) { // ... }); .trigger('myEv'); .bind('click', function(event) { // ... }); .trigger('click'); .triggerHandler('click');

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E F E I T O S .show() .hide() .fadeIn() .fadeOut() .slideDown() .slideUp()

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http://GustavoDutra.com [email protected] @gustavotkg La pregunta?