getIndex

description

Returns the index of a node in a nodeList

requires

• nothing

parameters

• node - required - what you want to find the index of
• nodeList - optional - what you want to find the index in, if none specified it looks at the node's parent

returns

• index of node

example usage:

var index = getIndex(el);

var links = document.querySelectorAll('a');
var clickedLink = event.target;
var index = getIndex(clickedLink, links);