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7.JSÖеÄÖµÀàÐÍ:String,Number,Boolean,Null,Object,Function
8.JSÖеÄ×Ö·ûÐÍת»»³ÉÊýÖµÐÍ:parseInt(),parseFloat()
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14.JSÖеÄÅжÏÓï¾ä½á¹¹:if(condition){}else{}
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16.Ñ»·ÖÐÖ¹µÄÃüÁîÊÇ:break
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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();
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26.¹Ø±ÕÎĵµµÄÊä³öÁ÷:document.close();
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29.µÃµ½ÔªËصķ½·¨:document.getElementById()
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