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摘要: function memoizeFunction(func) { var cache = {}; return function() { var key = arguments[0]; if (cache[key]) { return cache[key]; } else { var ... 阅读全文
posted @ 2017-07-27 11:25 Coca-code 阅读(166) 评论(0) 推荐(0)
摘要: (() => { //UUID Fn-1 S4 = () => { return (((1+Math.random())*0x10000)|0).toString(16).substring(1); }; //UUID Fn-2 guid = () => { let me = this; return (me.S4()+m... 阅读全文
posted @ 2017-06-18 03:12 Coca-code 阅读(699) 评论(0) 推荐(0)
摘要: const tmpl = addrs => ` ${addrs.map(addr => ` ${addr.first} ${addr.last} `).join("")} `; const data = [ { first: "", last: "Bond" }, { first: "Lars", last: "... 阅读全文
posted @ 2017-04-22 10:48 Coca-code 阅读(169) 评论(0) 推荐(0)
摘要: var arr = []; Object.getPrototypeOf(arr); 等效率于:arr.__proto__ 阅读全文
posted @ 2017-03-24 10:17 Coca-code 阅读(159) 评论(0) 推荐(0)
摘要: const EPSILON = Math.pow(2, -53); //1.1102230246251565e-16 function epsEqu(x,y) { return Math.abs(x - y) < EPSILON; } epsEqu(0.1+0.2, 0.3) //true 阅读全文
posted @ 2017-02-11 23:32 Coca-code 阅读(148) 评论(0) 推荐(0)
摘要: var str = 'yinMinFeng'; var result = str.replace(/n/g,"ss"); //注意那个'g'全局 console.log(result); //yissMissFessg 阅读全文
posted @ 2017-02-05 10:04 Coca-code 阅读(128) 评论(0) 推荐(0)
摘要: 学习Js是一条长路,不能仅仅限于网页动效 阅读全文
posted @ 2016-12-02 09:42 Coca-code 阅读(132) 评论(0) 推荐(0)
摘要: <!-- Html代码--> <button type="button" id="count"> 点我</button> <div id="show"></div> /*********************** * Javascript代码 * ***********************/ 阅读全文
posted @ 2016-03-10 21:04 Coca-code 阅读(263) 评论(0) 推荐(0)
摘要: /*================================= @DESC:Exchange two value without third var. @AUTHOR: Not me. @DATE:2016-3-6 15:33 ================================ 阅读全文
posted @ 2016-03-06 15:35 Coca-code 阅读(324) 评论(0) 推荐(0)
摘要: function generateRandomString(len) { var randomString = ""; for (; randomString .length < len; randomString += Math.random().toString(36).substr(2)); 阅读全文
posted @ 2016-03-06 15:23 Coca-code 阅读(220) 评论(0) 推荐(0)
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