Created
July 14, 2010 13:46
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| <html> | |
| <head> | |
| <script type="text/javascript" src="LAB.js"></script> | |
| <script type="text/javascript"> | |
| var _queue = ["script1.js",null], $L = $LAB; | |
| </script> | |
| ... | |
| </head> | |
| <body> | |
| <script type="text/javascript"> | |
| if (something) { // script 2 going to be loaded | |
| _queue.push("script2-a.js","script2-b.js",function(){ | |
| initScript1(); | |
| initScript2(); | |
| }); | |
| } | |
| else { // script 2 not going to be loaded, so just init script-1 | |
| _queue.push(function(){ | |
| initScript1(); | |
| }); | |
| } | |
| </script> | |
| ... | |
| <script type="text/javascript"> | |
| if (somethingElse) { | |
| _queue.push("script-3.js",function(){ | |
| initScript3(); | |
| }); | |
| } | |
| </script> | |
| ... | |
| <script type="text/javascript"> | |
| for (var i=0, len=_queue.length; i<len; i++) { | |
| if (typeof _queue[i] == "string") { // script string source found | |
| $L = $L.script(_queue[i]); | |
| } | |
| else if (!_queue[i]) { // null/false found | |
| $L = $L.wait(); | |
| } | |
| else if (typeof _queue[i] == "function") { // inline function found | |
| $L = $L.wait(_queue[i]); | |
| } | |
| } | |
| </script> | |
| </body> | |
| </html> |
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This gist shows how to conditionally build up the .script and .wait calls into an array, and simulate the chaining with a for-loop