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document.ready Promise
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <script src="./ready.js"></script> | |
| <script> | |
| document.ready.then(function() { | |
| console.log('READY!'); | |
| }); | |
| </script> | |
| </head> | |
| <body> | |
| </body> | |
| </html> |
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| ;(function(doc, win, add, remove, loaded, load) { | |
| doc.ready = new Promise(function(resolve) { | |
| if (doc.readyState === 'complete') { | |
| resolve(); | |
| } else { | |
| function onReady() { | |
| resolve(); | |
| doc[remove](loaded, onReady, true); | |
| win[remove](load, onReady, true); | |
| } | |
| doc[add](loaded, onReady, true); | |
| win[add](load, onReady, true); | |
| } | |
| }); | |
| })(document, window, 'addEventListener', 'removeEventListener', 'DOMContentLoaded', 'load'); |
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| !function(a,b,c,d,e,f){a.ready=new Promise(function(g){function h(){g(),a[d](e,h,!0),b[d](f,h,!0)}'complete'===a.readyState?g():(a[c](e,h,!0),b[c](f,h,!0))})}(document,window,'addEventListener','removeEventListener','DOMContentLoaded','load'); |
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