馃巿鍙橀噺澹版槑澶氫釜鍙橀噺澹版槑鍙互缂╁啓//浣庢晥鐨勫啓娉昹etx;lety;letz=520;//楂樻晥鐨勫啓娉昹etx,y,z=520;馃巿鏉′欢鍒ゆ柇涓殑涓夊厓杩愮畻绗︼紝鍙互浣跨敤涓夊厓杩愮畻绗︽潵鎻愰珮鏁堢巼letnum1=520;letnum2=1314;//鍐欐硶鏁堢巼浣巌f(num1>num2){//...}else{//...}//楂樻晥鐨勫啓娉昹etresult=num1>num2?true:false;馃巿瑙ｆ瀯璧嬪€紇ariableassignmentleta,b,c;//浣庢晥鐨勫啓娉昦=1;b=2;c=3;//楂樻晥鐨勫啓娉昹et[a,b,c]=[1,2,3];馃巿瑙ｆ瀯鍜屼氦鎹袱涓彉閲弆etx='GeekFlyingRabbit',y='Programmer';//浣庢晥鐨勫啓娉昪onsttemp=x;x=y;y=temp;//楂樻晥鐨勫啓娉昜x,y]=[y,x];馃巿绠ご鍑芥暟閫熻//浣庢晥鐨勫啓娉昮unctionadd(num1,num2){returnnum1+num2;}//楂樻晥鐨勫啓娉昪onstadd=(num1,num2)=>num1+num2;馃巿stringtemplate//鍐欐硶浣庢晥console.log('鏋佸椋炲厰鐨勫勾榫?+age+'浠栫殑韬珮'+height);//楂樻晥鐨勫啓浣滄帶鍒跺彴銆俵og(`GeekFlyingRabbit'sage${age}hisheight${height}`);馃巿澶氬€煎尮閰嶅垽鏂竴涓€兼槸鍚︾瓑浜庡涓€间箣涓€//鍐欐硶鏁堢巼浣巌f(value===1||value==='FlyingRabbit'||value===2||value==='Programmer'){//...}//楂樻晥鍐欐硶if([1,'flyRabbit',2,'绋嬪簭鍛?].indexOf(value)>=0){//...}//鏁堢巼鍐欐硶2if([1,'椋炲厰',2,'绋嬪簭鍛?].includes(value)){//...}馃巿ES6瀵硅薄绠€鍐檒etfirstname='geek';letlastname='flyingrabbit';//鍐欐硶浣庢晥letuserinfo={firstname:firstname,lastname:lastname};//楂樻晥鍐欐硶letuserinfo={firstname,lastname};馃巿Stringtonumber//鍐欐硶鏁堢巼浣巐ettotal=parseInt('520');letaverage=parseFloat('13.14');//楂樻晥鐨勫啓娉昹ettotal=+'520';letaverage=+'13.14';馃巿骞備箻娉?/浣庢晥鐨勫啓娉昪onstpower=Math.pow(2,5);//楂樻晥鐨勫啓娉昪onstpower=2**5;馃巿鏁扮粍鍚堝苟letarr1=[520,1314];//浣庢晥鐨勫啓娉昹etarr2=arr1.concat([1225,1115]);//楂樻晥鍐欐硶letarr2=[...arr1,1225,1115];馃巿姹傛暟缁勭殑鏈€澶у€煎拰鏈€灏忓€糲onstarr=[520,1314,1115,1225];//楂樻晥鍐欐硶Math.max(...arr);Math.min(...arr);馃巿鑾峰彇瀛楃涓插瓧绗etstr='https://autofelix.blog.csdn.net/';//浣庢晥鐨勫啓娉晄tr.charAt(10);//楂樻晥鐨勫啓娉晄tr[10];馃巿&&operationfunctionfn(){returntrue;}letflag=true;//浣庢晥鐨勫啓娉昳f(flag){fn();}//楂樻晥鐨勫啓娉昮lag&&fn();馃巿鏁扮粍鎺掑簭constarr=[40,2,1,5,99,111];//浠庡皬鍒板ぇarr.sort((a,b)=>a-b);//[1,2,5,40,99,111]//浠庡ぇ鍒板皬arr.sort((a,b)=>b-a);//[111,99,40,5,2,1]馃巿arrayfilterfilterfalsevaluesconstfromarrayarr=[3,'1','',0,false,null,undefined];arr.f杩囨护鍣紙甯冨皵鍊硷級锛?/[3,'1']馃巿forloopletarr=['GeekFlyingRabbit',520,1314,'Programmer']//浣庢晥鍐欐硶for(vari=0;i
