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fuchao2012/global & functions

Created May 21, 2015 07:02
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global & functions
var f=true;
if(f === true){
var a = 10;
}
function fuchao(){
var b=20;
c=30;
}
fn();
console.log(a);
console.log(b);
console.log(c);
//can you tell the result?
// ONLY variables definde by "var" and most improtantly defined in "function", it is local variable
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