var a = 2;
if (true) {
var a = 5;
console.log(a) // 5
}
console.log(a) // 5
I'm new to Javascript, can anyone tell why it printed 5 in below console statement
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Top comments (2)
TL;DR If you use
varthis will happen, try usingletvaris not block scoped, this is a limitation from the days of old JavaScript. Nowadays you should use the modernletorconst.Some resources:
You overwrote the variable in the if statement.