ut2/lib/random.js

一个现代 JavaScript 实用工具库。[点击查看在线文档]。

'use strict';

var native = require('./internals/native.js');
var toFinite = require('./toFinite.js');

function random(lower, upper) {
    if (lower === void 0) { lower = 0; }
    if (upper === void 0) { upper = 1; }
    lower = toFinite(lower);
    upper = toFinite(upper);
    var min = native.mathMin(lower, upper);
    var max = native.mathMax(lower, upper);
    return min + native.mathRandom() * (max - min);
}

module.exports = random;