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NFSFU234FormValidation v3 is here — file upload validation, config-driven rules, and more.
v3 (current)isNumber

isNumber

Checks whether a value is numeric. Returns: boolean

ParameterTypeRequiredDefaultDescription
number`string \number`required-
Usage
Example: Check if Value is a Number
const value = 123;
const isValidNumber = nfsfu234FormValidation.isNumber(value);
console.log(isValidNumber); // true
Example: Check if Value is a Number
const value = "123";
const isValidNumber = nfsfu234FormValidation.isNumber(value);
console.log(isValidNumber); // true
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