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jacky810124/global-context.js

Created December 25, 2017 19:15
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global-context.js
// In web browsers, the window object is also the global object:
console.log(this === window); // true
a = 37;
console.log(window.a); // 37
this.b = "MDN";
console.log(window.b) // "MDN"
console.log(b) // "MDN"
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