get id from html tag code example
Example 1: js get id value
var element = document.getElementById("YourElementId");
var value_element = document.getElementById("YourElementId").value;
Example 2: how do i set an id for a div in js
All currently used browsers:
element.id=id;
myElement.id=newId;
element.className=class;
myElement.className=newClassName;