JSFiddle - React, Tailwind, and code Playground

by princefiddle

JavaScript

$(document).ready(function(){
    
    height="123asfd"
	
	 var pattern = /^[0-9]+$/;
	
	 var chk= pattern.test(height);
	
	 if( chk==false ){  
      
	  alert('Please enter numeric value');
         
          height=parseInt(height);
         alert(height);
	  
	  }
    
    
});