HTMLElement.tabIndex property represents the tab order of the current element.
element.tabIndex = index index = element.tabIndex
- index : number
- elements with a positive tabIndex. Elements that have identical tabIndexes should be navigated in the order they appear. Navigation proceeds from the lowest tabIndex to the highest tabIndex.
- Elements that do not support the tabIndex attribute or support it and assign tabIndex to "0", in the order they appear.
var b1 = document.getElementById("button1"); b1.tabIndex = 1;