JavaScript Tips for Novices, Acolytes, and Gurus Some tidbits of scripting advice for people who know Javascript or want to … JavaScript, with its death grip on the Interwebs and every AJAX developer's language of only choice, is getting hot. With roll-overs, pop-ups, and menus either solved or relegated to CSS behaviors, XMLHttpRequests have made JavaScript once again a language of innovation. Th
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$() 方法是在DOM中使用过于频繁的 document.getElementById() 方法的一个便利的简写,就像这个DOM方法一样,这个方法返回参数传入的id的那个元素。比起DOM中的方法,这个更胜一筹。你可以传入多个id作为参数然后 $() 返回一个带有所有要求的元素的一个 Array 对象。下面的例子会向你描述这些。<HTML> <HEAD> <TITLE> Test Page </TITLE> <script src="prototype-1.3.1.js"></script> <script> function test1() { var d = $('myDiv'); alert(d.innerHTML); } function test2() { var divs = $('myDiv','myOtherDiv'); for(i=0; i<divs.length; i++
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