Created
December 15, 2013 14:55
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Google's snippet for lazy loading JavaScript.
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| <html> | |
| <head> | |
| </head> | |
| <body> | |
| <!-- Content --> | |
| <a href="https://developers.google.com/speed/docs/best-practices/payload#DeferLoadingJS">Defer loading of JavaScript | Google Developers</a> | |
| <script type="text/javascript"> | |
| // Add a script element as a child of the body. | |
| function downloadJSAtOnload() { | |
| var element = document.createElement("script"); | |
| element.src = "js.js"; | |
| document.body.appendChild(element); | |
| } | |
| // Check for browser support of event handling capability. | |
| if (window.addEventListener) { | |
| window.addEventListener("load", downloadJSAtOnload, false); | |
| } else if (window.attachEvent) { | |
| window.attachEvent("onload", downloadJSAtOnload); | |
| } else { | |
| window.onload = downloadJSAtOnload; | |
| } | |
| </script> | |
| </body> | |
| </html> |
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