setTimeout in for loop using 'var' keyword interview question
setTimeout in for loop using 'var' keyword, hoisting, javascript
When using setTimeout inside a for loop with var, you might encounter unexpected behavior due to variable hoisting and scoping in JavaScript. Here's a quick guide on how this works and how to fix it.
Problem Overview
Using var inside a for loop with setTimeout can lead to all timers referencing the same variable value due to hoisting.
how to use setTimeout javascript
hoisting example
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