Created
April 20, 2015 09:32
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Lea Verou's add class without jQuery
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// http://youmightnotneedjquery.com/ | |
// Returns first element that matches CSS selector {expr}. | |
// Querying can optionally be restricted to {container}’s descendants | |
function $(expr, container) { | |
return typeof expr === "string"? (container || document).querySelector(expr) : expr || null; | |
} | |
// Returns all elements that match CSS selector {expr} as an array. | |
// Querying can optionally be restricted to {container}’s descendants | |
function $$(expr, container) { | |
return [].slice.call((container || document).querySelectorAll(expr)); | |
} | |
// example use : | |
$$("article").forEach(function(article){ | |
article.classList.add("read"); | |
}); |
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