exists
Modified on Mon, 04 Sep 2023
Description
Use this function to check if a value is present, meaning it is not undefined and not an empty string.
Syntax
exists(value)
Returns
| Return Value | Description |
|---|---|
| Boolean | Returns 'true' if the value is present (not undefined and not an empty string); otherwise, 'false'. |
Sample
| Example | Result | Description |
|---|---|---|
| exists('Hello, World!') | true | Returns 'true' because the value is present and not empty. |
| exists('') | false | Returns 'false' because the value is an empty string. |
| exists(undefined) | false | Returns 'false' because the value is undefined. |
To view all String Functions, click here.
See Also
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