forked from mirrors/gecko-dev
		
	Differential Revision: https://phabricator.services.mozilla.com/D23037 --HG-- extra : moz-landing-system : lando
		
			
				
	
	
		
			27 lines
		
	
	
	
		
			832 B
		
	
	
	
		
			HTML
		
	
	
	
	
	
			
		
		
	
	
			27 lines
		
	
	
	
		
			832 B
		
	
	
	
		
			HTML
		
	
	
	
	
	
<!DOCTYPE html>
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<html lang="en">
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  <head>
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    <meta charset="utf-8">
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    <title>Page with iframes</title>
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    <script type="application/javascript">
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    let promiseResolvers = {
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      "testFrame1": {},
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      "testFrame2": {},
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    };
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    let promises = [
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      new Promise(r => promiseResolvers.testFrame1.resolve = r),
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      new Promise(r => promiseResolvers.testFrame2.resolve = r),
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    ];
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    function frameLoaded(frame) {
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      promiseResolvers[frame].resolve();
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    }
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    Promise.all(promises).then(() => window.dispatchEvent(new Event("frames-loaded")));
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    </script>
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  </head>
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  <body onunload="">
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    <div>
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      <iframe id="testFrame1" src="dummy_page.html" onload="frameLoaded(this.id);" ></iframe>
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      <iframe id="testFrame2" src="dummy_page.html" onload="frameLoaded(this.id);" ></iframe>
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    </div>
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  </body>
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</html>
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