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
(by @andrestaltz)
If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.
| First, install nginx for mac with "brew install nginx". | |
| Then follow homebrew's instructions to know where the config file is. | |
| 1. To use https you will need a self-signed certificate: https://devcenter.heroku.com/articles/ssl-certificate-self | |
| 2. Copy it somewhere (use full path in the example below for server.* files) | |
| 3. sudo nginx -s reload | |
| 4. Access https://localhost/ | |
| Edit /usr/local/etc/nginx/nginx.conf: |
