Stay foolish, stay hungry!

摘要： 1 var a = 00101100, 2 b=11010010; 3 4 a = a^b; 5 b = b^a; 6 a = a^b; 7 8 console.log(a); //11010010 阅读全文

摘要： //注意这种形式 function addX(y) { return function(x) { return x + y; } } // 调用 addX(2)(1.5); //3.5 阅读全文

摘要： function gcd(p,q){ if(q == 0){ return p; }else{ var r = p % q; return gcd(q, r); } }; gdc(12,8); //4 阅读全文

摘要： /* *------------------------------------------------------------------------------- * minfengyin@gmail.com 2017-8-29 19:03 *----------------------------------------------------------------------... 阅读全文

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

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

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

摘要： var arr = []; Object.getPrototypeOf(arr); 等效率于：arr.__proto__ 阅读全文

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

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