in as3

var i:int; // i equals 0

in JavaScript i is undefined because we don't know what type it is

var i; // null, undefined or NaN

therefore we need to initialize every integer as zero when it's defined.
On Jun 30, 2016 10:35 PM, "lizhi" <s...@qq.com> wrote:

> and i++ in as i=1
> but js i= NaN
>
>
>
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