paulirish

What forces layout / reflow

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.

Element APIs

Getting box metrics

• elem.offsetLeft, elem.offsetTop, elem.offsetWidth, elem.offsetHeight, elem.offsetParent

cfj

window.console.clog = function(log){
    var message = typeof log === 'object' ? '%cLooks like you\'re trying to log an ' : '%cLooks like you\'re trying to log a ',
        style = 'background:url(http://i.imgur.com/SErVs5H.png);padding:5px 15px 142px 19px;line-height:280px;';
    console.log.call(console, message + typeof log + '.', style);
};

martinwolf

.input-helper {
    position: relative;
    display: inline-block;
    
    &:before {
        content: '';
        display: block;
        position: absolute;
    }
}

twosixcode

// swap the keybindings for paste and paste_and_indent
{ "keys": ["super+v"], "command": "paste_and_indent" },
{ "keys": ["super+shift+v"], "command": "paste" }