Function subStart

subStart(value: string | number, count: number): string
Extracts the first length characters from a string or number.
Parameters
- value: string | number
  The target string or value.
- count: number
  The number of characters to extract.
Returns string
A string containing the first length characters of the target value.
Example
```
console.log(PUtilsString.subStart('this is a string', 6)) // 'this i'
console.log(PUtilsString.subStart(123456, 4)) // '1234'
```
- Defined in putils/string.browser.ts:93