Lodash _.isNumeric() Method
The Lodash _.isNumeric() method checks whether the given value is a Numeric value or not and returns the corresponding boolean value. It can be a string containing a numeric value, exponential notation or a Number object, etc.
Syntax:
_.isNumeric( value );
Parameters: This method takes single parameter as mentioned above and described below:
- value: Given value to be checked for Numeric value.
Return Value: This method returns a Boolean value true if the given value is Numeric, else false.
Note: This will not work in normal JavaScript because it requires the lodash.js contrib library to be installed. Lodash.js contrib library can be installed using npm install lodash-contrib.
Example 1:
Javascript
// Defining lodash contrib variable var _ = require('lodash-contrib'); Â
// Checking for _.isNumeric() methodconsole.log("The Value is Numeric : " + _.isNumeric(10000));Â Â
console.log("The Value is Numeric : " + _.isNumeric(10.5)); Â
console.log("The Value is Numeric : " + _.isNumeric('G')); Â
console.log("The Value is Numeric : " + _.isNumeric('Geeks')); |
Output:
The Value is Numeric : true The Value is Numeric : true The Value is Numeric : false The Value is Numeric : false
Example 2:
Javascript
// Defining lodash contrib variable var _ = require('lodash-contrib'); Â
// Checking for _.isNumeric() methodconsole.log("The Value is Numeric : " + _.isNumeric([1,10]));Â Â
console.log("The Value is Numeric : " + _.isNumeric("500")); Â
console.log("The Value is Numeric : " + _.isNumeric({})); Â
console.log("The Value is Numeric : " + _.isNumeric(null)); |
Output:
The Value is Numeric : false The Value is Numeric : true The Value is Numeric : false The Value is Numeric : false
