Home > widget-integration > FilterValidationHelper > isValidNumber
FilterValidationHelper.isValidNumber() method
Validates if a value is a valid number.
Checks both number types and numeric strings, rejecting NaN and Infinity.
Signature:
isValidNumber(value: unknown): boolean;
Parameters
|
Parameter |
Type |
Description |
|---|---|---|
|
value |
unknown |
The value to validate. Can be a number or numeric string. |
Returns:
boolean
true if the value is a valid, finite number, false otherwise
Example
Validate price input:
if (this.validationHelper.isValidNumber(userPrice)) {
this.applyDiscount(Number(userPrice));
}