五个有用的jquery小技巧

$(document).ready(function() {    $(document).bind("contextmenu", function(e) {        return false;    });});

$.fn.Flash = function(color, duration) {    var current = this.CSS('color');    this.animate( {color: 'rgb(' + color + ')'}, duration / 2);    this.animate( {color: current}, duration / 2);}$('#someid').flash('255,0,0', 1000);

$(function() {    // document is ready..})

// Safariif( $.browser.safari ){//do something}//Above IE6if ($.browser.msie && $.browser.version > 6 ){//do something}// IE6 and belowif ($.browser.msie && $.browser.version < 6 )  { //do something } // Firefox 2 and above if ($.browser.mozilla &amp;&amp; $.browser.version &gt;= "1.8" ){//do something}

if($("#someDiv").length) {    // yes it does, do something...}