Question

How to check if a variable is a number in JavaScript

Answer 1

function isNumeric(num) {
    return Number.isInteger(num);
}
 
console.log(isNumeric('234')); 
 
console.log(isNumeric('35F')); 
 
console.log(isNumeric(98));
 
console.log(isNumeric('javascript')) 
  
  
  
   
/*
run:
         
false
false
true
false
       
*/

 

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