when I got an instantiate object of IScroll, i found the constructor of that instantiate object point to Object rather than IScroll。Why? -

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i learning original code of iscroll.js. , found question title.this code exceted[enter image description here][1]

var myscroll = new iscroll('#wrapper', { mousewheel: true});    myscroll.constructor; // object myscroll.constructor === object; //true


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