A month ago I discovered an odd behavior while regression testing a web application. When I typed the exact value that is in the title attribute of an input tag the field became required disabling form submission until the value was changed. The new behavior had me stumped until I realized it only happens in Internet Explorer 10 and greater.
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January 6, 2014
Required Automatically Enforced On Input Tags in Internet Explorer
December 1, 2013
HTML5 Required and Pattern Attribute Fallback
Continuing with the theme from the last article on an AutoFocus fallback, today we will learn how to support the Required and Pattern attributes.
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Larry Steinle 