JavaScript 取随机小数
Math.rndRngState = [parseInt (Date.parse (new Date ()).toString ()), parseInt (Date.parse (new Date ()).toString ())];
Math.取随机小数 = function 取随机小数 () {var r0 = (Math.imul (18030, this.rndRngState [0] & 0xFFFF) + (this.rndRngState [0] >>> 16)) | 0;var r1 = (Math.imul (36969, this.rndRngState [1] & 0xFFFF) + (this.rndRngState [1] >>> 16)) | 0;var x = ((r0 << 16) + (r1 & 0xFFFF)) | 0;this.rndRngState = [r0, r1];return (x < 0 ? (x + 0x100000000) : x) * 2.3283064365386962890625e-10; // 1 / 0x100000000
}
可以生成0到1之间的随机小数,相当于Math.random方法。
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