TypeScript/tests/baselines/reference/typeGuardsInGlobal.js
Sheetal Nandi 2fecc132ab Tests for typeguards allowed on variables and parameters only
From spec:
Note that type guards affect types of variables and parameters only and have no effect on members of objects such as properties
2014-11-06 13:04:27 -08:00

28 lines
663 B
TypeScript

//// [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;
var var1: string | number;
if (typeof var1 === "string") {
num = var1.length; // string
}
else {
num = var1; // number
}
//// [typeGuardsInGlobal.js]
// 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;
var var1;
if (typeof var1 === "string") {
num = var1.length; // string
}
else {
num = var1; // number
}