Question

i wanted to Allow only Numbers in text box using jquery/javascript with out extra plugins

I have coded like :

if ( event.keyCode == 46 || event.keyCode == 8 || (event.keyCode >=48 && event.keyCode <=57)) {
            // let it happen, don't do anything
        }
        else {
            // Ensure that it is a number and stop the keypress           
            event.preventDefault();                   
        }

but it allows special characters like ! (Shift+1), @ (shift +2) etc.

can any body tell me the complete solution for this .. thanks in advance

Answer 1

I solved by using the below code snippet. thanks for the inputs and help

$('input[etype="Number"]').keydown(function(event) {

     if(event.shiftKey && ((event.keyCode >=48 && event.keyCode <=57) 
             || (event.keyCode >=186 &&  event.keyCode <=222))){
        // Ensure that it is a number and stop the Special chars
         event.preventDefault();
     }
     else if ((event.shiftKey || event.ctrlKey) && (event.keyCode > 34 && event.keyCode < 40)){     
          // let it happen, don't do anything
     }      
     else{
        // Allow only backspace , delete, numbers               
        if (event.keyCode == 9 || event.keyCode == 46 || event.keyCode == 8 || event.keyCode == 39 ||event.keyCode == 37 
                || (event.keyCode >=48 && event.keyCode <=57)) {
            // let it happen, don't do anything
        }
        else {
           // Ensure that it is a number and stop the key press
                event.preventDefault();                   
        }
     }
    });