=== tests/cases/conformance/expressions/typeGuards/typeGuardsInGlobal.ts ===
// Note that type guards affect types of variables and parameters only and 
// have no effect on members of objects such as properties. 

// variables in global
var num: number;
>num : number

var var1: string | number;
>var1 : string | number

if (typeof var1 === "string") {
>typeof var1 === "string" : boolean
>typeof var1 : string
>var1 : string | number
>"string" : string

    num = var1.length; // string
>num = var1.length : number
>num : number
>var1.length : number
>var1 : string
>length : number
}
else {
    num = var1; // number
>num = var1 : number
>num : number
>var1 : number
}