Make sure you didn't miss anything with this list of the Best of the Week in the HTML5 Zone (Mar. 14 to Mar. 20). Here they are, in order of popularity:
Currently it isn't possible to use nested layouts in HarpJS. But with a little work you can support it easily enough. Here is a solution (with an alternative) that you can use until (if) HarpJS supports it natively in the future.
PHP 5.6 isn't released yet, it'll be out probably sometime this summer. While it's feature list isn't huge, that means the upgrade pain shouldn't be huge either - and neat additions like the two features I've picked out here are very welcome additions in my book.
Would you like to display beautiful popup messages? Now, it’s easier than ever. Just use jquery and the jquery.blockUI.js plugin.
Getter methods can be used to cleanup calculation-intensive code where you don’t need to distinguish between methods and values. This in-turn reduces cognitive burden – for both you and others – when reasoning about your code.