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How do HTML parses work if they're not using regexp?
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Usually by using a tokeniser. The draft HTML5 specification has an extensive algorithm for handling "real world HTML".
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Check image width and height before upload with Javascript
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} else {
alert("This browser does not support HTML5.");
return false;
}
} else {
alert("Please select a valid Image file.");
return false;
}
}
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Difference between Node object and Element object?
...ne type of collection whether it had only elements in it or not.
EDIT: HTML5 defines an HTMLCollection which is a list of HTML Elements (not any node, only Elements). A number of properties or methods in HTML5 now return an HTMLCollection. While it is very similar in interface to a nodeList, a...
How to embed a SWF file in an HTML page?
... why not use data attribute in <object> element? Quote from w3c html5 docs: At least one of either the data attribute or the type attribute must be present.
– vladkras
Nov 24 '14 at 14:08
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How do I make an HTML text box show a hint when empty?
...ny styles, in Chrome this looks like:
You can try demos out here and in HTML5 Placeholder Styling with CSS.
Be sure to check the browser compatibility of this feature. Support in Firefox was added in 3.7. Chrome is fine. Internet Explorer only added support in 10. If you target a browser that d...
Find html label associated with a given input
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There is a labels property in the HTML5 standard which points to labels which are associated to an input element.
So you could use something like this (support for native labels property but with a fallback for retrieving labels in case the browser doesn't s...
Are HTML Image Maps still used?
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They are in the HTML5 specification, so they will not get deprecated.
You can still freely use them, they certainly still have their place in web development. Or I could say, those rare occasions exist where you can best solve something wit...
Phone: numeric keyboard for text input
...ut type="text"> ? I just realized that <input type="number"> in HTML5 is for “floating-point numbers”, so it isn’t suitable for credit card numbers, ZIP codes, etc.
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Detecting input change in jQuery?
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If you've got HTML5:
oninput (fires only when a change actually happens, but does so immediately)
Otherwise you need to check for all these events which might indicate a change to the input element's value:
onchange
onkeyup (not key...
JavaScript blob filename without link
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Older browsers don't support the "download" attribute, since it's part of HTML5.
Some file formats are considered insecure by the browser and the download fails. Saving JSON files with txt extension works for me.
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