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Object feature detection method to determine browser support for javascript objects_javascript skills

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Release： 2016-05-16 18:49:29
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Copy code The code is as follows:

if(document.getElementById)
{
alert( document.getElementById);//output: function getElementById(){ [native code] };
}

As in the above example, this method determines whether the browser supports the getElementById() method. Note , here the detection object in the if statement does not have brackets "()".
Related labels：
javascript Detection
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