The advantage is that the EyeDropper allows you to pick the color of any element on the screen, including items that are outside your browser’s window.
By testing our code with the W3C validator, we can find mistakes and errors with suggestions on how to solve the problems.
There are two main problems with articles about web design and web development: they are too old or they don’t have a date.
The problem with the XMLHttpRequest object is that it does not support promises natively. So, in order to work with the XMLHttpRequest object, you need to wrap it with a promise.
The new HTML5 API’s are helping us to provide better user experiences no matter the device visiting the site. For example, for a desktop computer you may display a message on the screen while on smartphones, the message could be accompanied with a vibration of the device.
This is a simple posticks app using HTML5, CSS3 and jQuery
Make sure you put emphasis when there are errors on the forms, so your user can know exactly where the error is to fix it.
The following browsers support this feature: Opera 9.5+, Chrome, Firefox 3.5+, and Safari 1.1+. Historically, this feature was only supported by Safari, but now all recent major browsers support this property except IE.
Remember that 90% of the time people are looking for information when they enter a website, and they are looking for that information immediately.