Supports HTML5, SVG 1.1, Math ML 3.0, ITS 2.0, RDFa Lite 1.1. HTML, CSS, SEO, spelling, accessibility, mobility (Android/i OS), Java Script linting, and link checking with CSS HTML Validator for Windows.If you want to restrict the input of a text field to numbers without having the up/down arrows associated with the input box, you can always just set the input type to of "\d " (one or more numbers). So something along the line of [email protected] would be perfectly valid! Anyone out there know how to adjust the url validation so that it will accept inputs in the following format: no need to force a user to input or https:// You can find a comparison of some interesting regexes for validating URLs here.
The simplest change you can make to your forms is to mark a text input field as 'required': This informs the (HTML5-aware) web browser that the field is to be considered mandatory.
In a few minutes you could have your whole website updated. I would highly recommend using one the various placeholder polyfill scripts if you want to support the placeholder attribute in older browsers: e.g.
For the browser-impaired, this is how the required input field will appear in Safari with either the image or the elements, but won't work for checkboxes, select elements, etc.
In this article we intend to present only a number of simple examples to get you started, covering the basic form elements.
Before you ask, and someone always does, these examples will currently work in the following browsers: Safari 5, Chrome 6, Opera 9, Firefox 4 Beta and the i Phone/i Pad.
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