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devdays/ojs-besurethishasowningobject.js

Created December 8, 2014 19:51
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Object JavaScript - Be sure this has an owning object
Raw
ojs-besurethishasowningobject.js
alert("NaN is NaN: " + isNaN(NaN));
function x() {
this.isNaN = function() {
return "not anymore!";
};
}
// alert!!! trampling the Global object!!!
x();
alert("NaN is NaN: " + isNaN(NaN));
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