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| [client] | |
| port = 3306 | |
| socket = /var/run/mysqld/mysqld.sock | |
| # This was formally known as [safe_mysqld]. Both versions are currently parsed. | |
| [mysqld_safe] | |
| socket = /var/run/mysqld/mysqld.sock | |
| nice = 0 | |
| syslog |
| # expects seconds, returns pretty string of how long ago event happened | |
| def ago(seconds) | |
| a = seconds | |
| case a | |
| when 0 then "just now" | |
| when 1 then "a second ago" | |
| when 2..59 then a.to_s+" seconds ago" | |
| when 60..119 then "a minute ago" #120 = 2 minutes | |
| when 120..3540 then (a/60).to_i.to_s+" minutes ago" | |
| when 3541..7100 then "an hour ago" # 3600 = 1 hour |
