Sets or returns the ID of a Script object. Read/write String.
Remarks
The ID returned is the ID attribute of the <SCRIPT> tag in HTML. If there’s no ID attribute specified in the <SCRIPT> tag, the Id property returns an empty string.
Id specifies an SGML identifier used for naming elements. Valid identifiers include any string that begins with a letter and is composed of alphanumeric characters; the string can also include the underscore character ( _ ).
The ID must be unique within the HTML document.