Function strUpper

strUpper<T>(value): string
The strUpper() method returns the calling string value converted to uppercase. (the value will be converted to a string if it isn't one).
Type Parameters
- T
Parameters
- value: T
  The string value to be converted to uppercase.
Returns string
A new string representing the calling string converted to upper case.
Since
0.9.0

Throws
TypeError - When called on null or undefined.

Example
```
strUpper("Hello");       // HELLO
strUpper("darkness");    // DARKNESS

strUpper(null);          // Throws TypeError
strUpper(undefined);     // Throws TypeError
```
- Defined in lib/src/string/upper_lower.ts:30