Category: Html

HTML5 input’s pattern attribute must conform to JavaScript’s RegExp patterns which are a subset of many other common regex patterns, Your pattern and your browser’s built-in pattern are both used to validate the input. International characters in plane 0, the basic mode plane (BMP), contains more than 65000 characters, including chinese etc. There are known… Continue reading HTML Input Pattern Attribute to Validate Non-Latin International Characters

Discounting the gray background, the default meter element was able to display three colors: red, yellow, and green. Zones or ranges are the key to understanding which values will result in which color. Assuming values min < low < high < max, three zones can be created by setting values for the low and high… Continue reading understanding html5 meter behavior