Function escapeHtml

escapeHtml(text?: null | string): undefined | null | string
Returns the escaped html string of the given text
Parameters
- Optionaltext: null | string
  the source string to inspect
Returns undefined | null | string
the escaped html string of the given text
Author
David Hsing
Example
```
escapeHtml('<div>foobar<div>');    // '&lt;div&gt;foobar&lt;div&gt;'
```