JavaScript › Block scope in JavaScript › Question #20284
Single Choice Easy

QWhat will be the output of the following JavaScript code? 

var a = 11;
var a = 12;
console.log(a)

ID: #20284 Block scope in JavaScript 113 views
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#20284Q ID
EasyDifficulty
Block scope in JavaScriptTopic
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  • A 10 ✔ ✖
  • B 12 ✔ ✖
  • C Undefined ✔ ✖
  • D Error ✔ ✖
Correct Answer

Explanation


12
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