sh("first");
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varelem=queue.shift();
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<scripttype="text/j**ascript">
//´´½¨ÐµÄÊý×é
varstack=newArray();//ѹÈë3¸öÌõÄ¿
stack.push("first");
stack.push("second");
stack.push("third");
//³öÁ½¸öÌõÄ¿
alert(stack.pop());//·µ»ØµÚÈý¸öÌõÄ¿
alert(stack.pop());//·µ»ØµÚ¶þ¸öÌõÄ¿
alert(stack);//·µ»ØµÚÒ»¸öÌõÄ¿
</script>
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stack.push("first");
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varelem=stack.pop();ÿ´Î³öÒ»¸öÔªËØµÄʱºò£¬Êý×éÔªËØ¼ÆÊý»á×Ô¼õ£¬ÒòΪ³öÒ²ÐÞ¸ÄÁËÊý×é¡£
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<scripttype="text/j**ascript">
varanimals=newArray("dog","cat","seal","elephant","lion");
alert(animals.indexOf("elephant"));//´òÓ¡³ö3
alert(animals.indexOf("seal",2));//´òÓ¡³ö2
</script>¾¡¹Üä¯ÀÀÆ÷ÖÐÓÐʱºò¶ÔindexOfºÍlastIndexOf¶¼ÊÇÖ§³ÖµÄ£¬µ«ÊÇ£¬ÕâÖ»ÊÇECMAScript5µÄ°æ±¾ÖÐÕýʽ»¯ÁË¡£ÕâÁ½¸ö·½·¨¶¼½ÓÊÜÒ»¸öËÑË÷Öµ£¬È»ºó£¬½«ÆäÓëÊý×éÖеÄÿ¸öÔªËØ±È½Ï¡£Èç¹ûÕÒµ½Á˸ÃÖµ£¬Á½¸ö·½·¨¶¼·µ»Ø¸ÃÊý×éÔªËØµÄÒ»¸öË÷Òý¡£Èç¹ûûÓÐÕÒµ½Öµ£¬·µ»Ø-1.indexOf·µ»ØÕÒµ½µÄµÚÒ»¸öÔªËØ£¬lastIndexOf·µ»ØÕÒµ½µÄ×îºóÒ»¸öÔªËØ¡£
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<scripttype="text/j**ascript">
if(!Array.prototype.indexOf){
Array.prototype.indexOf=function(elt/*,from*/){
varlen=this.length>>>0;
varfrom=Number(arguments[1])||0;
from=(from<0)?Math.ceil(from):Math.floor(from);if(from<0){
from+=len;
}
for(;from<len;from++){
if(frominthis&&this[from]===elt){
returnfrom;
}
}
return-1;
}
}
</script>
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<scripttype="text/j**ascript">
functionreplaceElement(element,index,array){
if(element=="ab"){
array[index]="**";
}
}varcharSets=newArray("ab","bb","cd","ab","cc","ab","dd","ab");
//¶Ôÿ¸öÊý×éÔªËØÓ¦Óú¯Êý
charSets.forEach(replaceElement)
alert(charSets);//´òÓ¡³ö**,bb,cd,**,cc,**,dd,**
</script>
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<scripttype="text/j**ascript">
if(!Array.prototype.forEach){
Array.prototype.forEach=function(fun/*,thisp*/){
varlen=this.length>>>0;
if(typeoffun!="function"){
thrownewTypeError();
}varthisp=arguments[1];
for(vari=0;i<len;i++){
if(iinthis){
***.call(thisp,this[i],i,this);
}
}
};
}
</script>
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<scripttype="text/j**ascript">
functionremoveChars(element,index,array){
returnelement!=="**";
}
varcharSets=newArray("**","bb","cd","**","cc","**","dd","**");
varnewArray=charSets.filter(removeChars);
alert(newArray);//bb,cd,cc,dd
</script>ÌÖÂÛ£º
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<scripttype="text/j**ascript">
if(!Array.prototype.filter){
Array.prototype.filter=function(fun/*,thisp*/){
varlen=this.length>>>0;
if(typeoffun!="function"){
thrownewTypeError();
}varres=newArray();
varthisp=arguments[1];
for(vari=0;i<len;i++){
if(iinthis){
varval=this[i];//·ÅÖÃfunÐÞ¸ÄÁËthis
if(***.call(thisp,val,i,this)){
res.push(val);
}
}
}
returnres;
};
}
</script>
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<scripttype="text/j**ascript">
functiontestValue(element,index,array){
varre=/^[a-zA-Z]+$/;
returnre.test(element);
}
varelemSet=newArray("**",123,"abc","-","AAA");
alert(elemSet.every(testValue));
</script>
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<scripttype="text/j**ascript">
if(!Array.prototype.some){
Array.prototype.some=function(fun/*,thisp*/){
vari=0,
len=this.length>>>0;
if(typeoffun!="function"){
thrownewTypeError();
}varthisp=arguments[1];
for(;i<len;i++){
if(iinthis
&&***.call(thisp,val,i,this)){
returntrue
}
}
returnfalse;
};
}
if(!Array.prototype.every){
Array.prototype.every=function(fun/*,thisp*/){
varlen=this.length>>>0;
if(typeoffun!="function"){
thrownewTypeError();
}
varthisp=arguments[1];
for(vari=0;i<len;i++){
if(iinthis
&&***.call(thisp,val,i,this)){
returnfalse
}
}
returntrue;
};
}
</script>