WMLScript round() º¯Êý

round() º¯Êý°ÑÒ»¸öÊý×ÖÉáÈëΪ×î½Ó½üµÄÕûÊý¡£

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n = Float.round(x)
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n ¸Ãº¯Êý·µ»ØµÄÕûÊý¡£
x Êý×Ö¡£

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var a = Float.round(3.5);
var b = Float.round(3.4);

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a = 4
b = 3
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