ES6开发技巧：String Skill字符串技巧

String Skill

对比时间

时间个位数形式需补0文章源自菜鸟学院-https://www.cainiaoxueyuan.com/gcs/15859.html

const time1 = "2019-02-14 21:00:00";
const time2 = "2019-05-01 09:00:00";
const overtime = time1 > time2;
// overtime => false
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格式化金钱

const ThousandNum = num => num.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
const money = ThousandNum(20190214);
// money => "20,190,214"
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生成随机ID

const RandomId = len => Math.random().toString(36).substr(3, len);
const id = RandomId(10);
// id => "jg7zpgiqva"
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生成随机HEX色值

const RandomColor = () => "#" + Math.floor(Math.random() * 0xffffff).toString(16).padEnd(6, "0");
const color = RandomColor();
// color => "#f03665"
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生成星级评分

const StartScore = rate => "★★★★★☆☆☆☆☆".slice(5 - rate, 10 - rate);
const start = StartScore(3);
// start => "★★★"
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操作URL查询参数

const params = new URLSearchParams(location.search.replace(/\?/ig, "")); // location.search = "?name=young&sex=male"
params.has("young"); // true
params.get("sex"); // "male"