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3.´«Í³µÄHTMLÎĵµË³ÐòÊÇ:document->html->(head,body)
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5.µÃµ½±íµ¥ÖÐÔªËصÄÃû³ÆºÍÖµ:document.getElementById("±íµ¥ÖÐÔªËصÄIDºÅ").name(»òvalue)
6.Ò»¸öСдת´óдµÄJS: document.getElementById("output").value = document.getElementById("input").value.toUpperCase();
7.JSÖеÄÖµÀàÐÍ:String,Number,Boolean,Null,Object,Function
8.JSÖеÄ×Ö·ûÐÍת»»³ÉÊýÖµÐÍ:parseInt(),parseFloat()
9.JSÖеÄÊý×Öת»»³É×Ö·ûÐÍ:(""+±äÁ¿)
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11.JSÖеÄ×Ö·ûÓë×Ö·ûÏàÁ¬½ÓʹÓÃ+ºÅ.
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13.JSÖÐÉùÃ÷±äÁ¿Ê¹ÓÃ:varÀ´½øÐÐÉùÃ÷
14.JSÖеÄÅжÏÓï¾ä½á¹¹:if(condition){}else{}
15.JSÖеÄÑ­»·½á¹¹:for([initial e xpression];[condition];[upadte e xpression]) {inside loop}
16.Ñ­»·ÖÐÖ¹µÄÃüÁîÊÇ:break
17.JSÖеĺ¯Êý¶¨Òå:function functionName([parameter],...){statement[s]}
18.µ±ÎļþÖгöÏÖ¶à¸öform±íµ¥Ê±.¿ÉÒÔÓÃdocument.forms[0],document.forms[1]À´´úÌæ.
19.´°¿Ú:´ò¿ª´°¿Úwindow.open(), ¹Ø±ÕÒ»¸ö´°¿Ú:window.close(), ´°¿Ú±¾Éí:self
20.״̬À¸µÄÉèÖÃ:window.status="×Ö·û";
21.µ¯³öÌáʾÐÅÏ¢:window.alert("×Ö·û");
22.µ¯³öÈ·ÈÏ¿ò:window.confirm();
23.µ¯³öÊäÈëÌáʾ¿ò:window.prompt();
24.Ö¸¶¨µ±Ç°ÏÔʾÁ´½ÓµÄλÖÃ:window.location.href="/blog/URL"
25.È¡³ö´°ÌåÖеÄËùÓÐ±íµ¥µÄÊýÁ¿:document.forms.length
26.¹Ø±ÕÎĵµµÄÊä³öÁ÷:document.close();
27.×Ö·û´®×·¼ÓÁ¬½Ó·û:+=
28.´´½¨Ò»¸öÎĵµÔªËØ:document.createElement(),document.createTextNode()
29.µÃµ½ÔªËصķ½·¨:document.getElementById()
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for (var i = 0; i <form.elements.length;i++){
    if (form.elements.type == "text"){
        form.elements.value = "";
    }
}
31.¸´Ñ¡°´Å¥ÔÚJSÖÐÅжÏÊÇ·ñÑ¡ÖÐ:document.forms[0].checkThis.checked (checkedÊôÐÔ´ú±íΪÊÇ·ñÑ¡Öзµ»ØTRUE»òFALSE)
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