If you need to run 32-bit Firefox or manually install 64-bit Firefox, you can simply download and re-run the Windows (32-bit or 64-bit) Firefox installer from the Firefox platforms and languages download page. You can still manually install 64-bit Firefox, if you choose. Alternatives In Firefox 71+, you can write multi-line JavaScript code in the Web Console Editor Mode, making it similar to the Scratchpad. Scratchpad is an excellent, freely available software only available for Windows, in the category Software utility with sub-category Text (more precisely. Scratchpad is an open-source application originally developed and released for Windows but which can now be enjoyed on Macs and PCs alike. You can write, run, and examine the result of code that interacts with the web page. Scratchpad - Windows Vista compatible Free Download. If you see “(32-bit)” and are running Firefox 56.0.1 or newer, then your computer may not meet the minimum memory requirement for 64-bit (3 GB RAM or more). Scratchpad provided an environment for experimenting with JavaScript code.If you see “(32-bit)” and you are running Firefox 56.0 or older, updating to the latest Firefox version should automatically upgrade you to 64-bit.One model here would be the old keyconfig extension for Firefox/Thunderbird, which let you assign custom code snippets to keyboard shortcuts. The ability to store scripts in Zotero is interesting, though. Check your Firefox version (in the “About Firefox” window) and look for “(32-bit)” or “(64-bit)” after the version number: The latter is what you see in Firefox's Scratchpad, but that seems fairly pointless to me when you can just copy and paste.
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If you’re running 64-bit Windows ( here’s how to check), your Firefox may already be 64-bit. Ideally it would be awesome for these code snippets to be saved in. In addition to saving your code while it is a work in progress, the JavaScript Developer can also save commonly used snippets in a code repository for use in all your web development. Linux and macOS users, fret not, you already enjoy a Firefox that’s optimized for 64-bit. Firefox Scratchpad also has the ability to save and load JavaScript and jQuery code snippets. Also, with the jump from 32 to 64 bits, a security feature called Address Space Layout Randomization (ASLR) works better to protect you from attackers. Here’s the key thing to know: 64-bit applications can access more memory and are less likely to crash than 32-bit applications.
What’s the difference between 32-bit and 64-bit? How much less? In our tests so far, 64-bit Firefox reduced crashes by 39% on machines with 4GB of RAM or more. That means you get a more secure version of Firefox, one that also crashes a whole lot less. Users on 64-bit Windows who download Firefox can get our 64-bit version by default.
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