Implementing Firefox Onmouseover In HTML CapturedTech - Technology - Patrick Stevens Oct 09 2013 1701 0 firefox javascript onmouseover English: Firefox word mark. Correct clear space (1/3 height of "F") and color (#D64203) from http://www.mozilla.com/en-US/about/logo/style.html. (Photo credit: Wikipedia) Implementing Firefox Onmouseover In HTML When writing the code for a website, it is imperative that the code can support all browsers. For example, the onmouseover event code might work in Internet Explorer or Chrome, but might have to be altered in order for the code to execute properly in Firefox. The Firefox onmouseover event executes a script that performs a specific function, such as enlarging an image. Read more ...