String.endsWith() Ends with

Last updated: 2026-09-09

String.endsWith() Ends with

endsWith checks if the string ends with the given suffix.

CategoryStrings
ES versionES2015

📝 Syntax

const flag = str.endsWith(suffix);

⚙️ Parameters

suffixThe suffix to match, case-sensitive.

Returns:A boolean.

Mutates the original:No (returns a new value)

▶ Example

Edit the code, press Run, and see the result in the output panel:

Output:

true
false
true
💡 Tip toLowerCase before extension checks.
ℹ️ info A pair with startsWith for prefixes vs suffixes.

🌐 Browser support

Browser ChromeChrome EdgeEdge FirefoxFirefox SafariSafari OperaOpera
String.endsWith() v41 v12 v40 v9 v28
Supported by all modern browsers
More case studies coming soon — check back later.

📚 Related Tutorials

❓ FAQ

QendsWith vs regex?
AendsWith for simple suffixes; regex for complex patterns.
QCase-sensitive?
AYes — use toLowerCase first.
QWhat's the second arg?
ATruncates the string to that length before matching.
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