不得不分享的JavaScript常用方法函数集（下）

$(document).ready(function() {  $('#id').replaceWith('<DIV>I have been replaced</DIV> ');});

$(document).ready(function() {  window.setTimeout(function() {    // do something  }, 1000);});

$(document).ready(function() {  var el = $('#id');  el.html(el.html().replace(/word/ig, ""));});

$(document).ready(function() {  if ($('#id').length) {   // do something }});

$(document).ready(function() {  $("div").click(function(){     //get the url from href attribute and launch the url   window.location=$(this).find("a").attr("href"); return false;  });// how to use<DIV><A href="index.html">home</A></DIV>});

$(document).ready(function() {  function checkWindowSize() {    if ( $(window).width() > 1200 ) {    $('body').addClass('large');  }  else {    $('body').removeClass('large');  }  }$(window).resize(checkWindowSize);});

$(document).ready(function() {  var cloned = $('#id').clone();// how to use<DIV id=id></DIV>});

$(document).ready(function() { jQuery.fn.center = function () {    this.css("position","absolute");       this.css("top", ( $(window).height() - this.height() ) / 2+$(window).scrollTop() + "px");          this.css("left", ( $(window).width() - this.width() ) / 2+$(window).scrollLeft() + "px");             return this; } $("#id").center();});

$(document).ready(function() {  $.extend($.expr[':'], {    moreThen1000px: function(a) {         return $(a).width() > 1000;   }  }); $('.box:moreThen1000px').click(function() {    // creating a simple js alert box   alert('The element that you have clicked is over 1000 pixels wide'); });});

$(document).ready(function() {  $("p").size();});

$(document).ready(function() {  $("ul").addClass("Replaced");  $("ul > li").prepend("‒ "); // how to use ul.Replaced { list-style : none; }});

//Example 1<SCRIPT src="http://www.google.com/jsapi"></SCRIPT><SCRIPT type=text/javascript>google.load("jquery", "1.2.6");google.setOnLoadCallback(function() {  // do something});</SCRIPT><SCRIPT type=text/javascript src="http://ajax.googleapis.com/ajax/libs/jquery/1.2.6/jquery.min.js"></SCRIPT> // Example 2:(the best and fastest way)<SCRIPT type=text/javascript src="http://ajax.googleapis.com/ajax/libs/jquery/1.2.6/jquery.min.js"></SCRIPT>

$(document).ready(function() {  jQuery.fx.off = true;});

$(document).ready(function() {  var $jq = jQuery.noConflict();  $jq('#id').show();});