User:Yessiree/monobook.js

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window.onload = init;

function init() {
	var table = document.getElementById('completed');

	var container = table.getElementsByTagName('tbody');

	var list = container[0].children;
	var count = list.length;

	for ( i = 1; i < count; i++ ) {
		console.log(list[i]);
		if ( i % 2 == 0 ) {
			list[i].className += "even";
		} else {
			list[i].className += "odd";
		}
	}

	console.log(container);
	console.log(list);
	console.log(count);
}