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JAVASCRIPT Contents
Basic JavaScript
JS Tutorial JS Syntax JS Variables JS Operators JS If Conditions JS Loops JS Strings JS Numbers JS Functions JS Objects JS Scope JS Dates JS Temporal Dates JS Arrays JS Sets JS Maps JS Iterations JS Math JS RegExp JS Data Types JS Errors JS Debugging JS Conventions JS References JS ECMAScript 2026 JS Versions
JS HTML
JS HTML DOM JS Events JS Projects
JS Advanced
JS Functions JS Objects JS Classes JS Asynchronous JS Modules JS Meta & Proxy JS Typed Arrays JS DOM Navigation JS Windows JS Web APIs JS AJAX JS JSON JS jQuery JS Graphics Why JavaScript Needs Type Safety
JavaScript → JS Operators

JavaScript += Operator

Use the += operator to add and assign in one step.

Preview

Code

<script>
let score = 20;

score += 5;

console.log("Score:", score);
</script>

More JS Operators Examples (7)

example JavaScript Arithmetic Operators open example example JavaScript Assignment Operator open example example JavaScript Comparison Operators open example example JavaScript Strict Equality open example example JavaScript Logical Operators open example example JavaScript Increment Operator open example example JavaScript Decrement Operator open example
← JavaScript Assignment Operator
JavaScript Comparison Operators →
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