Are there other options besides Chrome Frame for enhancing Raphael performance on Internet Explorer?

Currently, I am using Raphael 2.1 to simultaneously draw 15 lines, each consisting of 50 two-pixel paths. The performance is optimal in Safari and Chrome, acceptable in Firefox, subpar in Opera, and struggles in IE9. Despite Microsoft's claim that SVG will work in IE9, the Raphael.svg function returns false in this browser.

I have spent the entire day exploring various posts on improving Raphael's performance specifically in IE9, with the only solution being to install Chrome Frame.

Has anyone come across any alternative solutions to address this issue?

javascriptraphael

Answer №1

Raphael utilizes svg within IE9 and performs reasonably well. It is important to ensure that IE isn't being forced into IE8 standards mode, as this can lead to a fallback to VML which is slow. Unfortunately, there isn't an efficient alternative to SVG in general for IE8 or older.

When I encountered this issue with IE8, I resorted to using divs and css to render lines, rectangles, and text. This approach was fast, especially in IE8, by buffering the divs within the container. If your needs are simple enough, you might want to explore a pure DOM solution. Refer to https://github.com/Matt-Esch/simpleCanvas.js for ideas.

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