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Contribution Guidelines

letarr=[1,2,3,4,5,-6,7];arr.length=0;console.log(arr);

x=10;console.log(x);varx;

leta={x:1,y:2}letb=a;b.x=3;console.log(a);console.log(b);

for(vari=0;i<10;i++){setTimeout(function(){console.log("value is "+i);})}

for(leti=0;i<10;i++){setTimeout(function(){console.log("value is "+i);})}

functionhello(){console.log("1");setTimeout(()=>{console.log("2");})console.log("3");}hello();

letf="8";leta=1;console.log((+f)+a+1);

leta=10;if(true){leta=20;console.log(a,"inside");}console.log(a,"outside");

vara="xyz";vara="pqr";console.log(a)

constarr1=[1,2,3,4];constarr2=[6,7,5];constresult=[...arr1, ...arr2];console.log(result);

constperson1={name:'xyz',age:21};constperson2={city:'abc', ...person1};console.log(person2);

console.log(5<6<7);

console.log(7>6>5);

console.log(0==false);console.log(1==true);

console.log([11,2,31]+[4,5,6]);

console.log({}=={});console.log({}==={});

letx=5;lety=x++;console.log(y);console.log(x)

letx=5;lety=++x;console.log(y);console.log(x)

console.log('apple'.split(''));

constarr=[2,3,5,2,8,10,5];console.log(arr.indexOf(5))

constarray=[8,18,28,38];constresult=array.map(element=>element+2).filter((element)=>element>25);console.log(result);

functioncheckValue(value){varresult=Array.isArray(value);console.log(result);}checkValue([1,2,3]);

functionsum(a=5,b=7){returna+b;}console.log(sum(undefined,20));

console.log(10+"5");console.log("5"+10);

console.log(10-"5");console.log("5"-10);

console.log(printName());functionprintName(){return"Hi my name is Bob"}

console.log(printName());constprintName=()=>{return"Hi my name is Bob"}

constuserDetails={firstName:"Surbhi",lastName:"Dighe",age:20,address:{city:"Hyderabad",country:"India",},};letcloneUserDetails={ ...userDetails};//Updating original objectuserDetails.age=22;userDetails.address.city="Banglore";console.log(cloneUserDetails.age);console.log(cloneUserDetails.address.city);

functionhello(){console.log(name);console.log(age);varname="Alice";letage=21;}hello();

constarr1=[1,2,3];constarr2=[1,2,3];conststr="1,2,3";console.log(arr1==str);console.log(arr1==arr2);

consta={x :1};constb={x :1};console.log(a===b);console.log(a.x===b.x)

constarr=[10,-1,2];arr.sort((a,b)=>a-b);console.log(arr);

constarr=[11,0,'',false,2,1];constfiltered=arr.filter(Boolean);console.log(filtered);

varx=0;vary=10;if(x){console.log(x);}if(y){console.log(y);}

constobj={var1:1,var2:2};const{ var1, var2}=obj;console.log(var1,var2);

constuser={name:"Surbhi dighe",country:"India"};const{name:fullname, country}=user;console.log(fullname);console.log(name);

constperson={firstName:'Surbhi',};const{ lastName="dighe"}=person;console.log(lastName);

constperson={firstName:'Surbhi',};const{ firstName="Henry"}=person;console.log(firstName);

vara=10;leta=20;console.log(a)

constarr=["A","B","C","D","E"]console.log(Object.keys(arr));

functionmodify(obj){obj.name="Updated";}letperson={name:"Original"};modify(person);console.log(person.name);functionreassign(obj){obj={name:"New Object"};}reassign(person);console.log(person.name);

leta={x:1,y:{alpha:10,beta:20}};letb={...a};b.x=101;b.y.alpha=1001;console.log(a.x);console.log(a.y.alpha);

console.log('Start');setTimeout(()=>{console.log('setTimeout');},0);Promise.resolve().then(()=>{console.log('Promise');});console.log('End');

vararray=[1,2,3,4,5];deletearray[2];console.log(array.length);

letx=["a","b","c"];lety=["a","b","c"];letz=y;console.log(x==y);console.log(z==y);console.log(z==x);

letx;console.log(x);x=20;console.log(x);x="John";console.log(x);

lettext;switch(1){case0:text="This is zero";break;case1:text="This is one";case2:text="This is two";break;default:text="No matches found!";}console.log(text);

constuser={name:'Aman Bhoria!',logMessage(){console.log(this.name);// What is logged?}};setTimeout(user.logMessage,1000);

constobj1={a:1,b:2};constobj2={b:3,c:4};constfinalObj=Object.assign({},obj1,obj2);console.log(finalObj);

leta={};letb={key:"abc"};letc={key:"efg"};a[b]=111;a[c]=222;console.log(a[b]);

functionprintName(firstName,lastName){firstName="Aman";lastName="Bhoria";returnarguments[0]+" "+arguments[1];}letname=printName("John","Doe");console.log(name)