Scaling problem with -webkit-transform with mobile safari on iPad

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后悔当初
后悔当初 2021-02-10 10:16

In the HTML page below, I am scaling a block with a -webkit-transform. The transform scales the block from its initial size to its double size.

This works a

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  • 2021-02-10 10:31

    I came across this question very late. The solution was without using important, and by changing the way of selecting an element. This is due to reason that ID selector is more closer and powerful than class selector.

    #block.zoom {
      -webkit-transform: scale(2);
    }
    
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  • 2021-02-10 10:32

    I managed to solve the problem myself.

    The solution is simple: just make sure the element is scaled to its original size to begin with:

    -webkit-transform: scale(1);
    

    There is one trick to it, though. If you, like I below, add a class to an element selected by #id, the #id has higher priority than the class and it will not show unless you tell the browser that it is important

    -webkit-transform: scale(2) !important;
    

    An alternative way to solve this is to not select the element by #id but by class (.block) or by element (div). Anything with lower priority than an id.

    Solution follows:

    <style type="text/css">
    
    #block {
        position:absolute;
        top: 0;
        left: 0;
        width: 200px;
        height: 400px;
        -webkit-transition: -webkit-transform 3s ease-out;
        background-color: blue;
        -webkit-transform: scale(1);
      }
    
    .zoom {
      -webkit-transform: scale(2) !important;
    }
    </style>
    </head>
    
    <body>
      <div id="block" onclick="className='zoom';">The Block</div>
    </body>
    </html>
    
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