Accessing outer variable

Question

Object({
  a: "string",
  b: function() { return a; }
}).b()

throws a is not defined. Is it possible to access a from inside b?

Fabrizio Calderan · Accepted Answer · 2013-01-28 11:01:08Z

6

Use this to properly refer the scope

Object({
  a: "string",
  b: function() { return this.a; }
}).b(); // return "string"

See The this keyword on MDN for further reading.

answered Jan 28, 2013 at 10:48

Fabrizio Calderan

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