Category Archives: Javascript

JavaScript Errors

There are three types of errors:

  • Load time errors: Errors which come up when loading a web page like improper syntax errors are known as Load time errors and it generates the errors dynamically.
  • Run time errors: Errors that come due to misuse of the command inside the HTML language.
  • Logical Errors: These are the errors that occur due to the bad logic performed on a function which is having different operation.

How to block right click on a page

<script language=”JavaScript”>

function clickIE() {

if (document.all) {alert(“Right Click Not Allowed”);return false;}}function clickNS(e) {

if (document.layers||(document.getElementById&&!document.all)) { if (e.which==2||e.which==3) {alert(“Right Click Not Allowed”);return false;}}}

if (document.layers) {document.captureEvents(Event.MOUSEDOWN);document.onmousedown=clickNS;}

else{document.onmouseup=clickNS;document.oncontextmenu=clickIE;}document.oncontextmenu=new Function(“return false”)