最喜欢的15个JavaScript函数

TNTWeb-鍏ㄧО鑵捐鏂伴椈涓彴鍓嶇鍥㈤槦銆傜兢閲岀殑灏忎紮浼村湪Web鍓嶇銆丯odeJS寮€鍙戙€乁I璁捐銆佹墜鏈篈PP绛夊ぇ鍓嶇棰嗗煙閮芥湁瀹炶返鍜岀Н绱€傜洰鍓嶅洟闃熶富瑕佹敮鎸佽吘璁柊闂诲悇椤逛笟鍔＄殑鍓嶇寮€鍙戙€傞櫎浜嗕笟鍔″彂灞曪紝瀹冭繕绉疮浜嗕竴浜涘墠绔熀纭€璁炬柦锛屼互瀹炵幇涓氬姟鏁堢巼鎻愬崌鍜屼骇鍝佸垱鏂般€傚洟闃熸彁鍊″紑婧愬叡寤猴紝鎷ユ湁鍚勭被鎶€鏈笓瀹躲€傚洟闃烥itHub鍦板潃锛歨ttps://github.com/tnfe鏈枃浣滆€呭彫鍞ゅ笀czGitHub锛歨ttps://github.com/xucz鍦ㄥ紑鍙慗avaScript椤圭洰鏃讹紝寰€寰€浼氭妸涓€浜涗箣鍓嶅凡缁忓紑鍙戝ソ鐨勫伐鍏峰嚱鏁扮敤杩囩殑銆傛敹闆嗚繖浜涘姛鑳斤紝鍦ㄤ綘闇€瑕佺殑鏃跺€欙紝浼氫负浣犺妭鐪佸ぇ閲忕殑寮€鍙戞椂闂淬€傛湰鏂囧皢涓烘偍甯︽潵15涓父鐢ㄧ殑宸ュ叿鍔熻兘銆傛偍鍙互浼橀泤鍦颁娇鐢ㄥ畠浠潵瑙ｅ喅闂銆傚弽杞暟constreverseNumber=n=>parseFloat(`${n}`.split('').reverse().join(''))*Math.sign(n);reverseNumber(123);//321reverseNumber(-200);//-2reverseNumber(32.4);//4.23reverseNumber(-32.4);//-4.23鑾峰彇鏁扮粍涓渶澶х殑n涓暟constmaxFromArray=(array,number=1)=>[...array].sort((x,y)=>y-x).slice(0,number);maxFromArray([2,1,4,3,5,6]);//[6]maxFromArray([2,1,4,3,6,6],2);//[6,6]璁＄畻闃朵箻constfactorial=(number)=>number<0?(()=>{thrownewTypeError('typeerror');})():number<=1?1锛氭暟瀛?闃朵箻锛堟暟瀛?1锛夛紱闃朵箻锛?锛夛紱//24闃朵箻(10);//3628800鍒ゆ柇褰撳墠杩愯鐜鏄惁涓烘祻瑙堝櫒constisBrowser=()=>![typeofwindow,typeofdocument].includes('undefined');isBrowser();//false(Node)isBrowser();//true锛堟祻瑙堝櫒锛夊垽鏂綋鍓嶈繍琛岀幆澧冩槸鍚︿负Node.jsconstisNode=()=>typeofprocess!=='undefined'&&!!process.versions&&!!process.versions.node;isNode();//true(Node)isNode();//FAlse锛堟祻瑙堝櫒锛夎幏鍙杣rl涓婄殑鍙傛暟constgetURLParams=url=>(url.match(/([^?=&]+)(=([^&]*))/g)||[]).reduce((a,v)=>((a[v.slice(0,v.indexOf('='))]=v.slice(v.indexOf('=')+1)),a),{});getURLParams('qq.com');//{}getURLParams('https://xx.com?name=tntweb&age=20');//{name:'tntweb',age:'20'}杞崲rgb(x,x,x)棰滆壊琛ㄨ揪鏍煎紡瀵硅薄鏍煎紡consttoRGBObject=rgbStr=>{const[red,green,blue]=rgbStr.match(/\d+/g).map(Number);杩斿洖{绾㈣壊锛岀豢鑹诧紝钃濊壊};};toRGBObject('rgb(100,150,200)');//{red:100,green:150,blue:200}杞箟HTML涓娇鐢ㄧ殑瀛楃涓瞔onstescapeHTML=str=>str.replace(/[&<>'"]/g,tag=>({'&':'&','<':'<','>':'>',"'":''','"':'"'}[tag]||tag));escapeHTML('tntweb');杞箟杞箟HTML瀛楃constunescapeHTML=str=>str.replace(/&|<|>|'|"/g,tag=>({'&':'&','<':'<','>':'>',''':"'",'"':'"'}[tag]||tag));unescapeHTML('tntweb');鐢熸垚鎸囧畾鑼冨洿鍐呯殑闅忔満鏁癐ntegerconstrandomIntegerInRange=(min,max)=>Math.floor(Math.random()*(max-min+1))+min;randomIntegerInRange(1,7);//1-7灏嗘尝褰㈢璺緞杞崲涓虹粷瀵硅矾寰刢onstreversePath=str=>str.replace(/^~($|\/|\\)/,`${require('os').homedir()}$1`);reversePath('~/web');//'/Users/[userName]/web'鑾峰彇娌℃湁浠讳綍鍙傛暟鎴栫墖娈垫爣璇嗙鐨勫綋鍓峌RLconstgetBaseURL=url=>url.replace(/[?#].*$/,'');getBaseURL('https://xx.com/index?name=tntweb&company=tencent');//https://xx.com/index杩斿洖瀛楃涓茬殑瀛楄妭闀垮害constbyteSize=str=>newBlob([str]).size;byteSize('馃殫');//4byteSize('HelloWorld');//11闅忔満鑾峰彇鏁扮粍涓殑鍏冪礌constrandomly=arr=>arr[Math.floor(Math.random()*arr.length)];randomly([1,3,5,7,9,11]);妫€鏌ュ瓧绗︿覆鏄惁鏈夋晥JSONconstisValidJSON=str=>{try{JSON.parse(str);杩斿洖鐪燂紱}catch(e){杩斿洖閿欒锛泒};isValidJSON('{"name":"tntweb","age":20}');//trueisValidJSON('{"name":"tntweb",age:"20"}');//falseisValidJSON(null);//鐪熷疄鎺ㄨ崘椤圭洰ffcreatorFFCreator鏄竴涓熀浜巒ode.js鐨勮交閲忕骇鐏垫椿鐨勭煭瑙嗛澶勭悊搴撱€傛偍鍙渶娣诲姞鍑犲紶鍥剧墖鎴栬棰戝壀杈戝拰涓€娈佃儗鏅煶涔愶紝鍗冲彲蹇€熺敓鎴愮偒閰风殑瑙嗛鍓緫銆?/p>