JavaScript › Block scope in JavaScript › Question #20277
Single Choice Easy

QWhat will be the output of the following JavaScript code? 

let a = 12;
{
    let a = 15;
    console.log(a);
}

ID: #20277 Block scope in JavaScript 104 views
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#20277Q ID
EasyDifficulty
Block scope in JavaScriptTopic
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  • A 10 ✔ ✖
  • B 15 ✔ ✖
  • C Undefined ✔ ✖
  • D Error ✔ ✖
Correct Answer

Explanation


15
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