query: How to know if an element is actually appeared in browser and can seen by human's eye?
positive_passages.docid: 27983
positive_passages.text: How can I tell if a DOM element is visible in the current viewport?
negative_passages.docid: 89762
negative_passages.text: How can I determine the type of an HTML element in JavaScript?
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negative_passages.text: Detecting IE11 using CSS Capability/Feature Detection
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negative_passages.text: How do you detect support for VML or SVG in a browser
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negative_passages.text: Can search engine spiders see content I add using jQuery?
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negative_passages.text: What is the scope of the * CSS hack?
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negative_passages.text: How to retrieve the display property of a DOM element?
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negative_passages.text: Compare screenshots of rendered web pages
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negative_passages.text: jQuery determining if element exists on page
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negative_passages.text: jQuery "visible" doesn't work in all browsers, but in Firefox
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negative_passages.text: Detect if an element is visible with jQuery
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negative_passages.text: How to get an HTML element's style values in javascript?
negative_passages.docid: 116352
negative_passages.text: How can I make the browser see CSS and Javascript changes?
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negative_passages.text: Checking for existence of a page by title?
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negative_passages.text: Detecting the system DPI/PPI from JS/CSS?
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negative_passages.text: Javascript - How to detect if document has loaded (IE 7/Firefox 3)
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negative_passages.text: Determine hyperlink to display based on client's browser