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getElementByXPath | Get DOM-Nodes by its XPath.
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function ( | |
a, // the XPath | |
b // document-placeholder | |
) { | |
b = document; | |
return b.evaluate( | |
a, // xpathExpression | |
b, // contextNode | |
null, // namespaceResolver | |
9, // resultType | |
null // result | |
).singleNodeValue; // the first node | |
} |
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function(a,b){b=document;return b.evaluate(a,b,null,9,null).singleNodeValue} |
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DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE | |
Version 2, December 2004 | |
Copyright (C) 2013 Yannick Albert <http://yckart.com> | |
Everyone is permitted to copy and distribute verbatim or modified | |
copies of this license document, and changing it is allowed as long | |
as the name is changed. | |
DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE | |
TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION | |
0. You just DO WHAT THE FUCK YOU WANT TO. |
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{ | |
"name": "getElementByXPath", | |
"description": "Get DOM-Nodes by its XPath.", | |
"keywords": [ | |
"selector", | |
"xpath", | |
"path", | |
"node", | |
"dom" | |
] | |
} |
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<!DOCTYPE html> | |
<title>getElementByXPath | Get DOM-Nodes by its XPath.</title> | |
<div>Expected value: <b>140byt.es</b></div> | |
<div>Actual value: <b id="ret"></b></div> | |
<script> | |
var getElementByXPath = function(a,b){b=document;return b.evaluate(a,b,null,9,null).singleNodeValue} | |
var path = '//html[1]/body[1]/div[1]/b[1]'; | |
document.getElementById('ret').innerHTML = getElementByXPath(path).innerHTML; | |
</script> |
@kthy Sure, in the wildnis I would not use magic numbers like this, but this is a gist for 140byt.es, so I think it is "reasonable".
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Er, no - bad point! Using magic numbers instead of named constants is evil.