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window.setTimeout() - negative delay is set to 0 #43078

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window.setTimeout() - negative delay is set to 0 #43078

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window.setTimeout() - negative delay is set to 0
hamishwillee Feb 10, 2026
e02d156
Update index.md
pepelsbey Feb 11, 2026
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3 changes: 2 additions & 1 deletion files/en-us/web/api/window/settimeout/index.md
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Expand Up @@ -38,7 +38,7 @@ setTimeout(func, delay, param1, param2, /* …, */ paramN)
- : A {{domxref("TrustedScript")}} or a string of arbitrary code that is compiled and executed every `delay` milliseconds.
This can be used instead of passing a function, but is _strongly discouraged_ for the same reasons that make using {{jsxref("Global_Objects/eval", "eval()")}} a security risk.
- `delay` {{optional_inline}}
- : The time that the timer should wait before the specified function or code is executed, in milliseconds.
- : A positive integer indicating how long the timer should wait before the specified function or code is executed, in milliseconds.
Defaults to 0 if not specified.

Note:
Expand All @@ -49,6 +49,7 @@ setTimeout(func, delay, param1, param2, /* …, */ paramN)
See [Reasons for longer delays than specified](#reasons_for_longer_delays_than_specified) for more information.
- If the value isn't a number, implicit [type coercion](/en-US/docs/Glossary/Type_coercion) is silently done on the value to convert it to a number.
This can lead to unexpected and surprising results — see [Non-number delay values are silently coerced into numbers](#non-number_delay_values_are_silently_coerced_into_numbers) for an example.
- If a negative value is specified, a 0 value is used.

- `param1`, …, `paramN` {{optional_inline}}
- : Additional arguments which are passed through to the function specified by `func`.
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