ItsAcezz
ItsAcezz
Programming language:Javascript
2021-05-25 14:36:13
0
Q:

if string have any digits javascript

David Andrei Ned
David Andrei Ned
Code: Javascript
2021-03-06 02:05:58 
let val = '1234567890' 
let isnum = /^\d+$/.test(val);
if (isnum) {
  // val is a number
}
0
Mohammad Karimi
Mohammad Karimi
Code: Javascript
2021-03-06 02:04:18 
<!DOCTYPE HTML>  
<html>  
    <head>  
        <title>  
            Check if string contains only digits 
        </title> 
    </head>  
      
    <body style = "text-align:center;" id = "body">  
      
        <h1 style = "color:green;" >  
            GeeksForGeeks  
        </h1> 
      
        <p id = "GFG_UP" style = "font-size: 15px; font-weight: bold;"> 
        </p> 
          
        <button onclick = "gfg_Run()">  
            check 
        </button> 
          
        <p id = "GFG_DOWN" style =  
            "color:green; font-size: 20px; font-weight: bold;"> 
        </p> 
          
        <script> 
            var el_up = document.getElementById("GFG_UP"); 
            var el_down = document.getElementById("GFG_DOWN"); 
            var path = "4323424242"; 
            el_up.innerHTML = "String = '"+path + "'"; 
          
            function gfg_Run() { 
                el_down.innerHTML = /^\d+$/.test(path); 
            }          
        </script>  
    </body>  
</html>                    
0

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