All of the below properties or methods, when requested/called in JavaScript, will trigger the browser to synchronously calculate the style and layout*. This is also called reflow or layout thrashing, and is common performance bottleneck.
Generally, all APIs that synchronously provide layout metrics will trigger forced reflow / layout. Read on for additional cases and details.
elem.offsetLeft, elem.offsetTop, elem.offsetWidth, elem.offsetHeight, elem.offsetParent⇐ back to the gist-blog at jrw.fi
Or, 16 cool things you may not have known your stylesheets could do. I'd rather have kept it to a nice round number like 10, but they just kept coming. Sorry.
I've been using SCSS/SASS for most of my styling work since 2009, and I'm a huge fan of Compass (by the great @chriseppstein). It really helped many of us through the darkest cross-browser crap. Even though browsers are increasingly playing nice with CSS, another problem has become very topical: managing the complexity in stylesheets as our in-browser apps get larger and larger. SCSS is an indispensable tool for dealing with this.
This isn't an introduction to the language by a long shot; many things probably won't make sense unless you have some SCSS under your belt already. That said, if you're not yet comfy with the basics, check out the aweso
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| // Initialize the Sass variables and partials used in this project. | |
| // Set the legacy IE support variables. We override the default values set by | |
| // the compass/support partial, but let styles-ie8.scss override these values. | |
| $legacy-support-for-ie6 : false !default; | |
| $legacy-support-for-ie7 : false !default; // Note the use of !default. | |
| $legacy-support-for-ie8 : false !default; | |
| // Partials to be shared with all .scss files. |
In this document I am using Sass's SCSS syntax. You can choose to use the indented syntax in sass, if you prefer it, it has no functional differences from the SCSS syntax.
For Less, I'm using the JavaScript version because this is what they suggest on the website. The ruby version may be different.
Awesome PHP has been relocated permanently to its own Github repository. No further updates will made to this gist.
Please open an issue for any new suggestions.
| /* bling.js */ | |
| window.$ = document.querySelectorAll.bind(document); | |
| Node.prototype.on = window.on = function (name, fn) { | |
| this.addEventListener(name, fn); | |
| } | |
| NodeList.prototype.__proto__ = Array.prototype; |
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| sub, sup { | |
| /* Specified in % so that the sup/sup is the | |
| right size relative to the surrounding text */ | |
| font-size: 75%; | |
| /* Zero out the line-height so that it doesn't | |
| interfere with the positioning that follows */ | |
| line-height: 0; | |
| /* Where the magic happens: makes all browsers position |
