javascript variable scope in if statement

Ronak Solanki answered on June 25, 2022 Popularity 6/10 Helpfulness 2/10

answer javascript variable scope in if statement

javascript variable scope in if statement

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var foo = "test";
if(true) {
    alert(foo); // Interviewer: "What does this alert?" Answer: "test"
    var foo = "bar";
}
alert(foo); // "bar" Interviewer: Why is that? Answer: Because JavaScript does not have block scope

Popularity 6/10 Helpfulness 2/10 Language javascript

Source: stackoverflow.com

Tags: if-statement javascript scope

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Contributed on Jun 25 2022

Ronak Solanki

0 Answers Avg Quality 2/10

javascript variable scope in if statement

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