Question

How to check if character is number in JavaScript

Answer 1

const s = "JavaScript 8";
             
if (s[2] >= '0' && s[2] <= '9') 
    console.log("Number");
else
    console.log("Not a number");
             
if (s[11] >= '0' && s[11] <= '9') 
    console.log("Number");
else
    console.log("Not a number");  
   
     
     
     
     
/*
run:
       
"Not a number"
"Number"
       
*/

 

70+ SQL courses for beginners and professionals