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import * as React from 'react'; | |
import { compose, lifecycle, pure, StateHandler, StateHandlerMap, withStateHandlers } from 'recompose'; | |
import { Message, Transition } from 'semantic-ui-react'; | |
import './FlashMessage.css'; | |
export interface FlashMessageProps { | |
message: string; | |
isWarning?: boolean; | |
} |
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
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export function loadAllTodos() { | |
const promise = new Promise((resolve, reject) => { | |
Api.get() | |
.then(res => { | |
resolve(res); | |
}) | |
.catch(err => { | |
reject(err); | |
}) |
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/** @jsx React.DOM */ | |
var ReadingTimeWidget = React.createClass({ | |
getInitialState: function() { | |
return ({ | |
secondsRequired: null, | |
}); | |
}, | |
componentWillMount: function() { | |
var cdiv = this.props.contentDiv; |
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<script type="text/javascript"> | |
(function () { | |
"use strict"; | |
// once cached, the css file is stored on the client forever unless | |
// the URL below is changed. Any change will invalidate the cache | |
var css_href = './index_files/web-fonts.css'; | |
// a simple event handler wrapper | |
function on(el, ev, callback) { | |
if (el.addEventListener) { | |
el.addEventListener(ev, callback, false); |