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Get only text nodes inside dom element
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| /** | |
| * Get an array containing the text nodes within a DOM node. | |
| * | |
| * From http://stackoverflow.com/a/4399718/843621 | |
| * | |
| * For example get all text nodes from <body> | |
| * | |
| * var body = document.getElementsByTagName('body')[0]; | |
| * | |
| * getTextNodesIn(body); | |
| * | |
| * @param node Any DOM node. | |
| * @param [includeWhitespaceNodes=false] Whether to include whitespace-only nodes. | |
| * @return An array containing TextNodes. | |
| */ | |
| function getTextNodesIn(node, includeWhitespaceNodes) { | |
| var textNodes = [], whitespace = /^\s*$/; | |
| function getTextNodes(node) { | |
| if (node.nodeType == 3) { | |
| if (includeWhitespaceNodes || !whitespace.test(node.nodeValue)) { | |
| textNodes.push(node); | |
| } | |
| } else { | |
| for (var i = 0, len = node.childNodes.length; i < len; ++i) { | |
| getTextNodes(node.childNodes[i]); | |
| } | |
| } | |
| } | |
| getTextNodes(node); | |
| return textNodes; | |
| } | |
| getTextNodesIn(el); |
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