Var and Let
Difference between Var and Let
Take a Example :-
var senti=10;
if (senti == 10)
{ var senti =20;
console.log("cond block var check",senti);
}
console.log("outside conditional",senti);
Output:-
cond block var check 20
outside conditional 20
var senti=10;
if (senti == 10)
{ let senti =20;
console.log("cond block var check",senti);
}
console.log("outside conditional",senti);
Output:-
cond block var check 20
outside conditional 10
Take a Example :-
var senti=10;
if (senti == 10)
{ var senti =20;
console.log("cond block var check",senti);
}
console.log("outside conditional",senti);
Output:-
cond block var check 20
outside conditional 20
var senti=10;
if (senti == 10)
{ let senti =20;
console.log("cond block var check",senti);
}
console.log("outside conditional",senti);
Output:-
cond block var check 20
outside conditional 10
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