Declaring Variables with let and const
When to use let, when to use const, and why var is best left behind.
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JavaScript
Functions and Arrow Syntax
Write functions the classic way and with concise arrow syntax.
Read tutorialThrottle a Function
Limit how often a function can run — great for scroll and resize handlers.
View snippetModern JavaScript Foundations
A friendly, practical introduction to modern JavaScript — variables, functions, arrays and the syntax you'll use every day.
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