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Note: build.sh updated to make sure that test:help build action:target doesn't also call test.sh by adding `:_all` meta-target. Note: CI will need a new help-keyman-com.sh build step to deploy web engine help. Fixes: #12347
41 lines
770 B
Markdown
41 lines
770 B
Markdown
---
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title: detachDOMEvent
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---
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## Summary
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Detach DOM event handler from element to prevent memory leaks.
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## Syntax
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```c
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keyman.util.detachDOMEvent();
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```
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### Parameters
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`Pelem`
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: Type: `Element`
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: Element from which the event is being detached.
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`eventName`
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: Type: `string`
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: The name of the event, without an 'on' prefix.
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`handler`
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: Type: `function(Object)`
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: The event handler being detached.
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`useCapture`
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: Type: `boolean` *optional*
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: Set this to `true` if the event was being captured in the bubbling phase; otherwise, use `false` or leave this parameter empty.
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### Return Value
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`undefined`
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## Description
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The fourth argument, useCapture, is optional and will default to false.
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See also: [`keyman.util.attachDOMEvent`](attachDOMEvent)
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