Use these instructions to build the latest SpiderMonkey source code. Before you begin, make sure you have the right build tools for your computer: Linux, Windows, Mac, others. When building a version older than 28, you'll additionally need NSPR. And of course, you'll need to get the SpiderMonkey source code. Non-developer (optimized) build Use these steps if you want to install SpiderMonkey for pr
![SpiderMonkey Build Documentation - Mozilla | MDN](https://cdn-ak-scissors.b.st-hatena.com/image/square/e51bd6dc33a667d35eb4146698a198e55ff92d6e/height=288;version=1;width=512/https%3A%2F%2Fdeveloper.mozilla.org%2Fstatic%2Fimg%2Fopengraph-logo.72382e605ce3.png)