var re = 505899.24- 495991.61- 9907.63;
var test1 = /\d(?:.(\d*))?e([+-]\d+)/.test(re);
alert("是否是科学计算结果:"+test1);
var test2 = re.toFixed(10)-0;
alert("处理后的结果:"+ test2 );
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var re = 505899.24- 495991.61- 9907.63;
var test1 = /\d(?:.(\d*))?e([+-]\d+)/.test(re);
alert("是否是科学计算结果:"+test1);
var test2 = re.toFixed(10)-0;
alert("处理后的结果:"+ test2 );
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