Cross Browser async Attribute
Cross Browser async Attribute
The boolean async attribute on script elements allows the external JavaScript file to run when it’s available, without delaying page load first.
Browser Support
Async attribute is already supported by all major browser so it should be really easy to get it working cross browser.
Code Example
You can use async attribute like this:
<script async src="somefile.js"></script>
More Information
More information can be found here.