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JMeter Cookbook by Bayo Erinle

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Using CSS/jQuery Extractor

JMeter offers CSS/jQuery Extractor that allows you to extract server responses using a CSS/jQuery-like syntax. This component was introduced in JMeter 2.9 and is particularly helpful when dealing with HTML responses. CSS/jQuery-like syntax allows you to easily select HTML DOM elements that might otherwise have been difficult to write a regular expression for, for example, selecting a button with a danger class in the response (button.danger), selecting images matching a particular regular expression (img[src~=(?i)\\.(png|jpeg|gif)]), and so on. The default implementation of the CSS/jQuery implementation is JSoup (http://jsoup.org) and the API documentation for its selector can be found at http://jsoup.org/apidocs/org/jsoup/select/Selector.html ...

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