Variable and Scope of Variable in JavaScript | JavaScript Tutorial | CLASS-31 | Telugu

Variable : It is a name of storage location.
Scope of Variable : The name of storage location decides the scope of variable.
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Variable and Scope of Variable in JavaScript | JavaScript Tutorial | CLASS-31 | Telugu
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variables in javascript

[gayatrigundu]

Thanks sir for keeping this video sir 😊

[vanisree]

Sir please keep information questions for exam sir in web technology sir I have followed you channel sir from last previous year sir so I am requesting you sir that to keep the important questions sir exams have beening started sir I hope you will keep the important questions sir 👍 😀 😊

[Santhosh_editz]

Sir scope of variables lo block, function, program, file scop's expain cheyaledu... 🙄

[Makd]

bro koncham slow ga chebite chala baga ardam avutundemo (for beginers)

[vaishuvaishnavi]

Sir please repu math object in javascript upload cheyyandi sir please, xams ki preparation ki time ledhu

[nagarjudanala]

whats is differences between instance and global variables in js?

[chinni]

Hi sir, I have executed the same program but there is no an error, while printing the variable of lv could you please run and check once var gv = 10;
var i = 1;
if (i == 1) {
var lv = 20;
document.writeln(gv + lv);
}
document.writeln("<br>", lv);