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Variable Hoisting in JavaScript
When you can use a JavaScript variable before it is declared, it is done using a technique called hoisting. The parser read through the complete function before running it.
The behavior in which a variable appears to be used before it is declared is known as hoisting −
For example, the following,
points =200; var points;
The above works the same like the following −
var points; ponts = 200;
Updated on: 13-Jun-2020
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