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[·­Òë]High Performance JavaScript(026)

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    Even though JavaScript is often blamed for being slow, there are parts of the language that are incredibly fast. This should come as no surprise, since JavaScript engines are built in lower-level languages and are therefore compiled. Thou ......

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function isNumeric(strNumber) {
var newPar=/^(-|\+)?\d+(\.\d+)?$/
alert(newPar.test(strNumber)); }
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<body><SCRIPT LANGUAGE="JavaScript">
var  s = "";
s += "\r\nÍøÒ³¿É¼ûÇøÓò¿í£º"+ document.body.clientWidth;
s += "\r\nÍøÒ³¿É¼ûÇøÓò¸ß£º"+ document.body.clien ......

JavaScript ¶ÁÈ¡ JSON


JSON:
[{"subjecttypeId":"1","subjectName":"67","scope":"1",},{"subjecttypeId":"1","subjectName":"345","scope":"1"}]
JavaScript:
       var result = window.eval('(' + JSON+ ')');

for(var p in result){

result[p].subjectName;

alert(result[p] ......
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