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JavaScript: Scripting language
Web APIs: Programming interfaces
Structuring content with HTML module
Dynamic scripting with JavaScript module
Apart from the dedicated statement syntaxes, you can also use almost any expression as a statement on its own. The expression statement syntax requires a semicolon at the end, but the automatic semicolon insertion proces
Avoiding control flow statements
You can avoid almost all use of control flow statements using expression statements. For example, if...else can be replaced with ternary operators and logical operators. Iterative statements like for or for...of can be r
Avoiding control flow statements
You can avoid almost all use of control flow statements using expression statements. For example, if...else can be replaced with ternary operators and logical operators. Iterative statements like for or for...of can be r
This page was last modified on Jul 8, 2025 by MDN contributors.