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2.JSÖеÄ×¢ÊÍΪ// 
3.´«Í³µÄHTMLÎĵµË³ÐòÊÇ:document->html->(head,body) 
4.Ò»¸öä¯ÀÀÆ÷´°¿ÚÖеÄDOM˳ÐòÊÇ:window->(navigator,screen,history,locetion,document) 
5.µÃµ½±íµ¥ÖÐÔªËØµÄÃû³ÆºÍÖµ:document.getElementById(”±íµ¥ÖÐÔªËØµÄIDºÅ”).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¿) 
10.JSÖеÄÈ¡×Ö·û´®³¤¶ÈÊÇ:(length) 
11.JSÖеÄ×Ö·ûÓë×Ö·ûÏàÁ¬½ÓʹÓÃ+ºÅ. 
12.JSÖеıȽϲÙ×÷·ûÓÐ:==µÈÓÚ,!=²»µÈÓÚ,>,>=, <. <= 
13.JSÖÐÉùÃ÷±äÁ¿Ê¹ÓÃ:varÀ´½øÐÐÉùÃ÷ 
14.JSÖеÄÅжÏÓï¾ä½á¹¹:if(condition){}else{} 
15.JSÖеÄÑ»·½á¹¹:for([initial expression];[condition];[upadte expression]) {inside loop} 
16.Ñ»·ÖÐÖ¹µÄÃüÁîÊÇ:break 
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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.locetion.href="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() 
30.ÉèÖÃ±íµ¥ÖÐËùÓÐÎı¾Ð͵ijÉÔ±µÄֵΪ¿Õ: 
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var form = window.document.forms[i] ;
if (form.elements.type == "text"){ 
form.elements.value = ""; 
} 
} 
31.¸´Ñ¡°´Å¥ÔÚJSÖÐÅжÏÊÇ·ñÑ¡ÖÐ:document.for
    
     
	
	
    
    
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