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1f82507730
Deprecate the following obsolete functions and properties: * `keyman.helpURL` * `keyman.util.rgba` * `keyman.util.toFloat` * `keyman.util.toNumber` * `keyman.util.toNzString` Use correct language for code blocks in Keyman Engine for Web documentation. Test-bot: skip
53 lines
788 B
Markdown
53 lines
788 B
Markdown
---
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title: rgba (deprecated)
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---
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## Summary
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Browser-independent alpha-channel management.
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## Syntax
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```js
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keyman.util.rgba(s, r, g, b, a);
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```
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### Parameters
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`s`
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: Type: `Element`
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: Element style object
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`r`
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: Type: `number`
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: Value for red (0-255)
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`g`
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: Type: `number`
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: Value for green (0-255)
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`b`
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: Type: `number`
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: Value for blue (0-255)
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`a`
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: Type: `number`
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: Value for alpha/opacity (0-1.0)
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### Return Value
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`string`
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: Background color CSS value.
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## Description
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This function returns the required string value for setting background
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transparency, and applies an appropriate `a` filter to the element for IE
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versions before IE9.
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This function has been deprecated and will be removed in a future version of
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KeymanWeb.
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## History
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19.0: deprecated
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