Event filer: number Only, upper case : General Event « Event « JavaScript DHTML






  1. JavaScript DHTML
  2. Event
  3. General Event

Event filer: number Only, upper case

  
<!-- 
     Example File From "JavaScript and DHTML Cookbook"
     Published by O'Reilly & Associates
     Copyright 2003 Danny Goodman
-->


function numberOnly(evt) {
    evt = (evt) ? evt : ((window.event) ? event : null);
    if (evt) {
       var elem = (evt.target) ? evt.target : ((evt.srcElement) ? evt.srcElement : null);
       if (elem) {
           var charCode = (evt.charCode) ? evt.charCode : 
               ((evt.which) ? evt.which : evt.keyCode);
           if ((charCode < 32 ) || 
               (charCode > 44 && charCode < 47) || 
               (charCode > 47 && charCode < 58)) {
               return true;
           } else {
               return false;
           }
       }
    }
}

----------

function upperOnly() {
    var charCode = event.keyCode;
    if (charCode > 96 && charCode < 123) {
        event.keyCode = charCode - 32;
    }
}








Related examples in the same category

1.Event type occured
2.An Example of Changing Event Handlers
3.JavaScript Event Handlers
4.Emulating Events
5.Setting Event Handlers from within JavaScript
6.Get Positioned Event Coordinate
7.addEventListener or attachEvent
8.Add event listener to anchor link
9.Calling a Function from an Event Handler
10.Event Handlers and this
11.Event Bubbling (Firefox)
12.Capturing events
13.Bubble up events (Firefox)
14.Inline DOM Event Registration
15.Event Bubbling Demonstration
16.W3C Event Capture and Bubble
17.Add event handler to form
18.Preventing Bubble and Capture