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1.document.formName.item("itemName") ÎÊÌâ
˵Ã÷:IEÏÂ,¿ÉÒÔʹÓÃdocument.formName.item("itemName")»òdocument.formName.elements["elementName"];FirefoxÏÂ,Ö»ÄÜʹÓÃdocument.formName.elements["elementName"].
½â¾ö·½·¨:ͳһʹÓÃdocument.formName.elements["elementName"].
JQUERY:
$("#idName")
2.¼¯ºÏÀà¶ÔÏóÎÊÌâ
˵Ã÷:IEÏÂ,¿ÉÒÔʹÓÃ()»ò[]»ñÈ¡¼¯ºÏÀà¶ÔÏó;FirefoxÏÂ,Ö»ÄÜʹÓÃ[]»ñÈ¡¼¯ºÏÀà¶ÔÏó.
½â¾ö·½·¨:ͳһʹÓÃ[]»ñÈ¡¼¯ºÏÀà¶ÔÏó.
JQUERY:[]
JQUERY.each(obj,callback) ͨÓõıéÀú·½·¨£¬¿ÉÓÃÓÚ±éÀúÊý×éºÍ¶ÔÏó
3.×Ô¶¨ÒåÊôÐÔÎÊÌâ
˵Ã÷:IEÏÂ,¿ÉÒÔʹÓûñÈ¡³£¹æÊôÐԵķ½·¨À´»ñÈ¡×Ô¶¨ÒåÊôÐÔ,Ò²¿ÉÒÔʹÓÃgetAttribute()»ñÈ¡×Ô¶¨ÒåÊôÐÔ;FirefoxÏÂ,Ö»ÄÜʹÓÃgetAttribute()»ñÈ¡×Ô¶¨ÒåÊôÐÔ.
½â¾ö·½·¨:ͳһͨ¹ýgetAttribute()»ñÈ¡×Ô¶¨ÒåÊôÐÔ.
JQUERY: attr
attr(name) //È¡µÃÒ»¸öÆ¥ÅäÔªËØµÄÊôÐÔÖµ. return Object£»
attr(properties) // ½«Ò»¸ö"Ãû/Öµ"ÐÎʽµÄ¶ÔÏóÉèÖÃΪËùÓÐÆ¥ÅäÔªËØµÄÊôÐÔ. return jQuery;
attr(key,value) //ΪËùÓÐÆ¥ÅäÔªËØÉèÖÃÒ»¸öÊôÐÔÖµ¡£
attr(key,fn) //ΪËùÓÐÆ¥ÅäÔªËØÉèÖÃÒ»¸ö¼ÆËãµÄÊôÐÔÖµ¡£
removeAttr(name) //´Óÿ¸öÆ¥ÅäµÄÔªËØÉ¾³ýÊôÐÔ
4.eval("idName")ÎÊÌâ
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½â¾ö·½·¨:ͳһÓÃgetElementById("idName")À´È¡µÃidΪidNameµÄHTML¶ÔÏó.
5.±äÁ¿ÃûÓëijHTML¶ÔÏóIDÏàͬµÄÎÊÌâ
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6.constÎÊÌâ
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½â¾ö·½·¨:ͳһʹÓÃvar¹Ø¼ü×ÖÀ´¶¨Òå³£Á¿.
7.input.typeÊôÐÔÎÊÌâ
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8.window.eventÎÊÌâ
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function cao() {
if(document.all.ddl_class.value=="0")
{
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wailai.style.display="none";
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1.ÀûÓÃJavascriptʵÏÖ²âÊÔä¯ÀÀÆ÷ÀàÐÍÔÙµ÷ÓÃÏàÓ¦µÄÖ÷Ò³
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alert(a); //undefined
var a = 1;
alert(a); //1
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