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Update README.md

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Nitin Hayaran 2012-02-12 10:00:11 +05:30
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@ -116,6 +116,7 @@ Question: What value is returned from the above statement?
``` ```
Question: What is the value of window.foo? Question: What is the value of window.foo?
**Answer: "bar"** **Answer: "bar"**
if intially window.foo was false, undefined or zero else it will retain its value.
```javascript ```javascript
var foo = "Hello"; (function() { var bar = " World"; alert(foo + bar); })(); alert(foo + bar); var foo = "Hello"; (function() { var bar = " World"; alert(foo + bar); })(); alert(foo + bar);