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| { | |
| "USD": { | |
| "symbol": "$", | |
| "name": "US Dollar", | |
| "symbol_native": "$", | |
| "decimal_digits": 2, | |
| "rounding": 0, | |
| "code": "USD", | |
| "name_plural": "US dollars" | |
| }, |
| // Returns the value at a given percentile in a sorted numeric array. | |
| // "Linear interpolation between closest ranks" method | |
| function percentile(arr, p) { | |
| if (arr.length === 0) return 0; | |
| if (typeof p !== 'number') throw new TypeError('p must be a number'); | |
| if (p <= 0) return arr[0]; | |
| if (p >= 1) return arr[arr.length - 1]; | |
| var index = (arr.length - 1) * p, | |
| lower = Math.floor(index), |
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