How to override a JavaScript function

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栀梦
栀梦 2020-11-28 04:34

I\'m trying to override a built in parseFloat function in JavaScript.

How would I go about doing that?

4条回答
  •  鱼传尺愫
    2020-11-28 05:39

    var origParseFloat = parseFloat;
    parseFloat = function(str) {
         alert("And I'm in your floats!");
         return origParseFloat(str);
    }
    

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