52 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			HTML
		
	
	
	
	
	
			
		
		
	
	
			52 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			HTML
		
	
	
	
	
	
<!DOCTYPE html>
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<html>
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  <head>
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    <script src="../node_modules/jquery/dist/jquery.min.js"></script>
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    <script src="../build/element-resize-detector.js"></script>
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    <style>
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        html, body {
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            box-sizing: border-box;
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        }
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        .container {
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            font-family: sans-serif;
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            font-size: 14px;
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            margin: 20px;
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            padding: 20px;
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            border: solid 1px #e0e0e0;
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            background: #e9e9e9;
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        }
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    </style>
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  </head>
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  <body>
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    <div class="container">
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        <p>erd is watching this element</p>
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        <button class="fs">bump font size</button> <button class="pd">bump padding</button>
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    </div>
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    <script>
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        var c = document.querySelector('.container');
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        var erd = elementResizeDetectorMaker({
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            strategy: "scroll"
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        });
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        erd.listenTo(c, function(el){
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          console.log('erd detected container resize');
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        });
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        $('.fs').on('click', function(e){
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          var target = e.currentTarget.parentElement;
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          var fs = parseInt(document.defaultView.getComputedStyle(target, null).getPropertyValue('font-size'), 10);
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          target.style.fontSize = (fs+=5) + 'px';
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        });
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        $('.pd').on('click', function(e){
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          var target = e.currentTarget.parentElement;
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          var pd = parseInt(document.defaultView.getComputedStyle(target, null).getPropertyValue('padding-top'), 10);
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          target.style.padding = (pd+=10) + 'px';
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        });
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    </script>
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  </body>
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</html>
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