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 <script>
var times = 0;
var ms = new Date();
var prex =0;
var pretoright=false;
var level =0;
function trackEarthQuake(){
     var curx = event.screenX;
     var toright ;
     if(curx>prex){
         level += curx-prex;
         toright=true;   
    } else {
        toright=false;
    }
    prex = curx;
    if(pretoright!=toright){
        times ++;
    }
    pretoright=toright;
    var   curms=new Date();
    if(times>=10){
        times=0;
        intervalms = curms-ms;
        if(intervalms<=1600){
        alert("ÓеØÕ𣡿ìÅÜ£¡µØÕð¼¶±ðΪ"+Math.round(Math.log(level)));
    }
    ms=curms;
    level=0;
  }
}
</script>
<body onmousemove="trackEarthQuake()">
</body>


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JavaScript         ECMAScriptÊÇÕâ¸ö½Å±¾ÓïÑԵıê×¼»¯°æ±¾¡£ ScriptÔªËØ£º             ÔÚHTML´úÂëÖÐÌí¼ÓJavaScript´úÂë             Ò²¿ÉÒ԰ѽű¾´úÂë·ÅÔ ......

Javascript¼Ì³ÐÖ®¶ÔÏóð³ä·¨

ÀýÈ磺ÓÐÈý¸öÀàclassX,classY,classZ
classZ·Ö±ð¼Ì³ÐclassXºÍclassY
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function ClassZ(){
this.newMethod=classX;
this.newMethod();
delete this.newMethod;
this.newMethod=classY;
this.newMethod();
delete this.newMethod;
}
ÕâÖÖд·¨´æÔÚÒ»¸ö±×¶Ë.¡£Èç¹ûclassXºÍclassYÓоßÓÐͬÃûµÄÊô ......

ÓÃJavaScriptÏÔʾ¹ã¸æÀ¸

 //¹ã¸æÀ¸
function MoveLeftLayer(layerName) {
var x = 5;
var y = 100;// ×ó²à¹ã¸æ¾àÀëÒ³Ê׸߶È
var diff = (document.body.scrollTop + y - document.all.AdLayer1.style.posTop)*.40;
var y = document.body.scrollTop + y - diff;
eval("document.all." + layerName + ".style.posTop = parseInt(y)");
e ......

ÓÃJavaScriptʵÏÖä¯ÀÀÆ÷״̬À¸·ÉÈëÎÄ×Ö

 //״̬À¸·ÉÈëÎÄ×Ö
function statusMessageObject(p,d) {  <!--????????????-->
  this.msg = MESSAGE
  this.out = " "
  this.pos = POSITION
  this.delay = DELAY
  this.i     = 0
  this.reset = clearMessage
}
function clearMessage( ......
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