Internet, Networking, & Security > Browsers How to Disable JavaScript in the Safari Web Browser If you're concerned about security with JavaScript, disable it By Scott Orgera Scott Orgera Writer Scott Orgera is a former Lifewire writer covering tech since 2007. He has 25+ years' experience as a programmer and QA leader, and holds several Microsoft certifications including MCSE, MCP+I, and MOUS. He is also A+ certified. lifewire's editorial guidelines Updated on December 2, 2020 Browsers Safari Chrome Firefox Microsoft Trending Videos Close this video player What to Know Open Safari, go to the Safari menu, and select Preferences > Security. Uncheck Enable JavaScript to disable the feature.On an iPhone: Open the Settings app, then scroll down and tap Safari. At the bottom of the Safari settings screen, tap Advanced.Then, tap the slider next to JavaScript to toggle it to the off position. This article explains how to disable JavaScript in the Safari web browser for macOS and iOS operating systems if you don't want to run it for security reasons. How to Disable JavaScript in Safari on a Mac JavaScript adds dynamic behavior to websites, enhancing them and providing a friendlier experience to viewers. However, because JavaScript is a powerful programming language, people can also use it to write malware, making it unwelcome by many computer users. In Safari on Mac, you can enable and disable JavaScript in the Preferences menu. Here's how to do it: Open Safari. Open the Safari menu and select Preferences. The keyboard shortcut for Preferences is Command+, (comma). Go to the Security tab. Clear the Enable JavaScript check box to disable the feature. Some websites may not function as expected while JavaScript is disabled. How to Disable JavaScript in Safari on an iPhone On your iPhone or another iOS device, disable JavaScript in the Settings app: Open the Settings app. Scroll down to Safari and tap it. At the bottom of the Safari settings screen, tap Advanced. Tap the slider next to JavaScript to toggle it to the off position. Was this page helpful? Thanks for letting us know! Get the Latest Tech News Delivered Every Day Subscribe Tell us why! Other Not enough details Hard to understand Submit