Php Development » browser

hide javascript code from non javascript browser

mahesh chari — Wed, 26 Aug 2009 03:14:42 +0000

hide JavaScript code from non-JavaScript browsers

Here we learn how to hide the javascript code from non javascript browsers , javascript disabled browsers and mobile browsers .Non javascript browsers renders the javascript code as generel text without exucuting the code. So we must aware how to hide the javascript from these browsers.

<script type="text/javascript">

script>

check browser java enabled

mahesh chari — Tue, 28 Jul 2009 11:48:33 +0000

Check Browser Java application enabled

Java is a high-level, third generation programming language, like C and many others.Java allows you to play online games, chat with people around the world, calculate your mortgage interest, and view images in 3D, just to name a few. It’s also integral to the intranet applications and other e-business solutions that are the foundation of corporate computing.
With some reasons the web browser don’t support Javas ,like user intentially disables,some browsers don’t support.Then we must check the whether user’s web browser has Java enabled.Here we discuss how to handle non Java browser.

We show normal warning message with javascript.

<script>
if (navigator.javaEnabled()){
alert('Java Enabled.');//we do our normal action
}else{
alert('Java Disabled.');//we warn the user to download or other 
}
script>

We redirect the user to seperate UI or seperate sub domain that handles for non java browser.

<script>
if (navigator.javaEnabled()){
alert('Java Enabled.');//we do our normal action
}else{
document.location="nonjava-html-page.html";
}
script>

check javascript disabled

mahesh chari — Tue, 21 Jul 2009 03:09:42 +0000

Check Browser Javascript enabled

JavaScript is a small, lightweight, object-oriented, cross-platform scripting language.JavaScript is used in millions of Web pages to add functionality, validate forms, detect browsers, and much more.With some reasons the web browser don’t support Javascript ,like user intentially disables,some mobile browsers version don’t support.Then it must we check the whether user’s web browser has Javascript enabled.Here we discuss how to handle non Javascript browser.

We show a alert ,warning message if user browser don’t hav Javascript enabled.using

We show a alert ,warning message with Javascript itself if user browser doesn’t support

check cookie enabled javascript php

mahesh chari — Mon, 20 Jul 2009 02:49:18 +0000

How to check browser cookie enabled with php javascript

Cookies are typically used by web servers to perform functions such as tracking your visits to websites, enabling you to log in to sites, and storing your shopping cart. Cookies can be used to interaction between Javascript and Server Side Scripts like PHP.Cookies also used to transfer small amount of data between one page to other pages via HTTP headers .If user disables this cookies or user’s browser won’t support the interaction between JS and PHP fails.So we must ensure user must enable these Cookies.

In this article,we check the user’s browser Cookie enabled or not.This can be achieved by both client side Javascript and Server Side Script.

Checking with Javascript

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if (navigator.cookieEnabled == 0) { alert("You need to enable cookies for this site to load properly!"); }

Checking with PHP

If user disables Javascript we fail to check the Cookie enabled or not.So we check on the server side also.below PHP snippet check the Cookie enabled or not.

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function check_cookie(){ if (setcookie("test", "test", time() + 360)) { if (isset (@$_COOKIE['test'])) { return true; } } return false; }