Question

How to check if character is number in Node.js

Answer 1

const s = "Node.js 19";
            
if (s[6] >= '0' && s[6] <= '9') 
    console.log("Number");
else
    console.log("Not a number");
            
if (s[8] >= '0' && s[8] <= '9') 
    console.log("Number");
else
    console.log("Not a number");  
  
    
    
    
    
/*
run:
      
Not a number
Number
      
*/

 

70+ SQL courses for beginners and professionals