AngularJS Built-in helper Functions angular.isNumber
Example
The angular.isNumber function returns true if and only if the object or value passed to it is of the type Number, this includes +Infinity, -Infinity and NaN
angular.isNumber(value)
This function will not cause a type coercion such as
"23" == 23 // true
Examples
angular.isNumber("23") // false
angular.isNumber(23) // true
angular.isNumber(NaN) // true
angular.isNumber(Infinity) // true
This function will not cause a type coercion such as
"23" == 23 // true
