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Wicked Good XPath is a fast implementation of document.createExpression and document.evaluate (DOM3-XPath) in pure Javascript.
0.x.y
: x
refers to the Google SVN revision when wgxpath.install.js
was built; y
refers to any improvements to this package.
I'm pretty lazy, so I didn't build Wicked Good XPath myself. When the pre-compiled wgxpath.install.js is updated, I'll update this package.
Install with npm:
npm install wgxpath
Make sure things are working:
node node_modules/wgxpath/word_of_the_day.js
This example scrapes the Merriam-Webster Word of the Day. This code can also be found in word_of_the_day.js
.
var wgxpath = require('wgxpath');
var jsdom = require('jsdom');
var url = 'http://www.merriam-webster.com/word-of-the-day/';
var expressionString = '//*[@id="content"]/div[3]/ul/li[1]/strong';
jsdom.env({
html: url,
done: function(errors, window) {
wgxpath.install(window);
var expression = window.document.createExpression(expressionString);
var result = expression.evaluate(window.document,
wgxpath.XPathResultType.STRING_TYPE);
console.log('The Word of the Day is "' + result.stringValue + '."');
}
});
FAQs
Wicked Good XPath
The npm package wgxpath receives a total of 37,491 weekly downloads. As such, wgxpath popularity was classified as popular.
We found that wgxpath demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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