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javascript函数,判断数字的合法性_JavaScript技术_编程技术

Writer: delv Article type: Programming skills(编程技巧) Time: 2013/12/31 6:34:44 Browse times: 369 Comment times: 0

javascript函数,判断数字的合法性_JavaScript技术_编程技术


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//验证是否为数字
function isNumber(oNum)
{
if(!oNum) return false;
var strP=/^\d+(\.\d+)?$/;
if(!strP.test(oNum)) return false;
try{
if(parseFloat(oNum)!=oNum) return false;
}
catch(ex)
{
return false;
}
return true;
}




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