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LaughingVzr/useThis.js

Created July 11, 2018 08:56
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[JavaScript This的应用] #javascript #EMACScript
Raw
useThis.js
document.getElementById=(function(func){
return function(){
return func.apply(document,arguments);
}
})(document.getElementById);
var getId = document.getElementById;
var div = getId('div1');
console.log(div.id);
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