Early Access Program

Improvement of HTML5 Support in PhpStorm & WebStorm

Recently, we’ve added a number of new features that simplify HTML5 development. Here’s a short list of their highlights:

  1. Support of HTML custom data attributes. The attributes with names that begin with data- can be used to store some custom information. WebStorm/PhpStorm IDE provides completion for such attributes when they’re used in a project:
  2. Support for Web SQL Database JavaScript API:
  3. We also added a new setting Default HTML language level ( File | Settings | Resources ). If you switch it to HTML5, IDE will consider every *.html file without specified doctype as HTML5 file, so validation and code completion (including completion and validation of custom data attributes) will work correctly: