Handlebar Helper Function: isnull
Checks if the given expression is null. It returns true if the value is null, false otherwise.
| Parameter | Type | Description |
|---|---|---|
expression | any | The expression to check for null. |
The function returns true if the value is null or if no parameter is provided. It returns false for all other values, including empty strings, zero values, and undefined values.
This function is often used together with conditional helpers to handle null values. For example, this code example checks if the userData variable is null and handles it accordingly.