2fecc132ab
From spec: Note that type guards affect types of variables and parameters only and have no effect on members of objects such as properties
12 lines
319 B
TypeScript
12 lines
319 B
TypeScript
// 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;
|
|
var var1: string | number;
|
|
if (typeof var1 === "string") {
|
|
num = var1.length; // string
|
|
}
|
|
else {
|
|
num = var1; // number
|
|
}
|