The _.isNumber() function is used to check whether the given object parameter is number or not. If the given object is a number then it returns True value otherwise, it returns False.
Syntax:
_.isNumber( object )
Parameters: This function accepts one parameter as mentioned above and described below:
- object: This parameter holds the object element that need to be check whether it is number or not.
Return Value: It returns True if the given object is number, False otherwise.
Example 1:
<!DOCTYPE html> <html> Â Â <head> Â Â Â Â <script type="text/javascript" src= Â Â Â Â </script> </head> Â Â <body> Â Â Â Â <script type="text/javascript"> Â Â Â Â Â Â Â Â Â Â var arr = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]; Â Â Â Â Â Â Â Â console.log(_.isNumber(arr)); Â Â Â Â Â Â Â Â Â Â Â Â var fun = function (element) { Â Â Â Â Â Â Â Â Â Â Â Â return element % 2 != 0; Â Â Â Â Â Â Â Â }; Â Â Â Â Â Â Â Â console.log(_.isNumber(fun)); Â Â Â Â Â Â Â Â Â Â var str = 'neveropen'; Â Â Â Â Â Â Â Â console.log(_.isNumber(str.length)); Â Â Â Â </script> </body> Â Â </html> |
Output:
Example 2:
<!DOCTYPE html> <html> Â Â <head> Â Â Â Â <script type="text/javascript" src= Â Â Â Â </script> </head> Â Â <body> Â Â Â Â <script type="text/javascript"> Â Â Â Â Â Â Â Â Â Â console.log(_.isNumber(true)); Â Â Â Â Â Â Â Â console.log(_.isNumber(10)); Â Â Â Â Â Â Â Â console.log(_.isNumber('neveropen')); Â Â Â Â Â Â Â Â console.log(_.isNumber(15.675)); Â Â Â Â </script> </body> Â Â </html> |
Output:
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