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Enable JavaScript in your Web browser/Explorer/Mozilla

JavaScript are instructions and classes which allow browsers to get the information from the script on the server and dynamically update the content of the page without having to reload the page. Therefore, the Web page looks more dynamic and appealing, being given the opportunity to do things that vary from animation display today's date, menus, ads, etc.
There are many more you can do with JavaScript to apply dynamic functionality in your page. Most of the advertiser to advertise and to track clicks on their ads such as Google Adsense and other affiliate links.
To allow JavaScript to run in your browser, is simply to enable in options Internet browser, which is how most people define it. Disabled JavaScript limits your browser functions, but can help protect your computer from cyber attack.
After you enable JavaScript in your browser, you can enjoy surfing most Web site completely, but the information on the protection of your computer IP address, location, Web browser etc will also be visible.

Enabling JavaScript in Internet Explorer
To enable JavaScript in Internet Explorer:

1. Select Tools Internet Options … > on the menu bar.
Opens the Internet Options dialog box.
2. click the Security tab.
3. Select the trusted sites icon in the field of Web content zones.
4. click the button for people ... optional.
Opens the security settings dialog box.
5. scroll to the Scripting section, and then select the enable radio button for active scripting, such as the option.
6. click OK to close the security settings dialog box.
Window for a warning message asks whether you are sure you want to change security settings.
7. click Yes to dismiss the message box.
8. click OK to close the Internet Options dialog box.

Enabling JavaScript in FireFox
To enable JavaScript in Firefox.

1. Select Tools > Options ... on the menu bar.
The Options dialog box opens.
2. Select the content icon at the top of the dialog box.
3. place a check mark in the check box next to Enable JavaScript.
4. click OK.