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Google Chrome turns off javascript

王林
王林Original
2023-05-09 21:09:382372browse

With the development of the Internet, Web technology has become an indispensable part of people's daily life. As one of the most commonly used programming languages ​​in the field of web development, JavaScript has also become an indispensable part of many websites. However, in some cases, users need to turn off JavaScript in the browser, and Google Chrome provides the option to turn off JavaScript.

1. Reasons for turning off JavaScript

Why do users need to turn off JavaScript? There are usually two situations:

1. Improve security

JavaScript scripts can run in web pages, which also provides hackers with opportunities to exploit JavaScript vulnerabilities. If users enable JavaScript, they may be attacked by malicious scripts, especially malicious scripts on unfamiliar websites that make it easier for people to be deceived. Therefore, some users choose to turn off JavaScript for their own security reasons.

2. Improve speed

JavaScript is a dynamic programming language that can achieve dynamic effects on web pages, such as web page pop-up boxes, etc. However, the implementation of these dynamic effects requires certain network resources, so when the network is slow, JavaScript will slow down the loading of web pages. In this case, turning off JavaScript can improve the page's loading speed.

2. How to turn off JavaScript

Google Chrome provides a variety of ways to turn off JavaScript:

1. Turn off JavaScript through setting options

In Google Chrome In the browser, click the three dots icon in the upper right corner and select the "Settings" option. On the "Settings" page, click the "Privacy and Security" option on the left, then find the "Site Settings" option on the right page and click to enter. In the "Site Settings" page, you can see the "JavaScript" option. After clicking the JavaScript option, you can choose to allow JavaScript to be used by all sites, block JavaScript from all sites, or manually add exceptions. When you choose to block JavaScript, the page's JavaScript will not execute when you visit the page.

2. Use extensions

There are many extensions in the Chrome Web Store that can turn off JavaScript, such as "Quick Javascript Switcher" and "Disable JavaScript". Users can find the extension by searching for "Disable JavaScript" in the Chrome Web Store. After installing these extensions, you can turn off JavaScript in Google Chrome through the extension's settings interface.

3. Use command line parameters

By adding command line parameters in Google Chrome, you can also turn off JavaScript. The specific steps are as follows:

(1) In the Windows operating system, open the "Run" command box;

(2) Enter the "chrome.exe --disable-javascript" command and press No Google Chrome window opened after pressing the Enter key;

(3) will run JavaScript unless this parameter is removed again and the browser is opened again.

4. Precautions for turning on JavaScript

Although turning off JavaScript can improve security and network speed, normal access to some websites requires turning on JavaScript. For example, some online shopping, social networking and other websites use JavaScript to implement certain functions. If JavaScript is turned off, these websites cannot be accessed normally.

Therefore, if you want to enable JavaScript, users should pay attention to the following points:

1. Use the latest version of the browser, such as Google, Firefox, Safari, etc., and update the browser version in a timely manner, to enhance browser security and performance.

2. Install security software, such as anti-virus software, firewall, etc., to protect your computer. These software can prevent attacks from malicious scripts and deal with threats promptly when they are discovered.

3. Only enable JavaScript on trusted websites. For example, some official websites of well-known institutions or social media websites are relatively trustworthy websites, while some blogs, small websites, etc. may be risky.

Summary

The use of JavaScript plays a vital role in web development. But in some cases, turning off JavaScript can improve security and network speed. Google Chrome provides multiple ways to turn off JavaScript, and users can choose according to their own needs. If JavaScript needs to be enabled, users should pay attention to network security and only enable JavaScript on trusted websites.

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