void special operator
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void
Defer to undefined.
Description
The void special operator allows us to return the undefined type from an evaluated expression.
Syntax
| Signature | Description |
|---|---|
void expression | Special operator allows us to return the undefined type from an evaluated expression. |
Parameters
| Parameter | Description |
|---|---|
expression | The evaluated expression to evaluate. |
Returns
The undefined global variable type.
Example
The code gives an example of using the void special operator.
// Using the void special operator.
alert(2*2);
alert(void(2*2));