18 lines
296 B
Text
18 lines
296 B
Text
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---
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title: Defs.setIfUnset()
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---
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Sets the defs entry stored under _name_ to _value_, but only if it
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is not currently set to any value (if it is undefined).
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## Signature
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```js
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Defs defs.setIfUnset(
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String name,
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String value
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)
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```
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This object is chainable as it returns the `Defs` object.
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