下面是关于如何创建一个React 组件的简单的例子 并且在 CodePen中可用. var Application = React.createClass({ render: function() { return { this.props.text } { this.props.id } ; } }); 和适当的这些预编译的代码,这些未编译过的JavaScript代码由JSX编译器
现在来看一下使用 React 改造后的 To-Do List 代码 importReactfrom'react';classTodoListextendsReact.Component{state={todos:[],current:''}componentDidMount(){// 初次加载时,获取localStorage,并同步到statethis.setState({todos:JSON.parse(localStorage.getItem('todos'))||[]});}componentDidUpdate(){//...
【100个前端小项目-2】KnockoutJS 实现To-do list 最近接手的任务用的是KnockoutJS + TypeScript,所以第二个项目就采用KnockoutJS做一个老生常谈的TODO List。 https://codepen.io/xinxhe/pen/qBBMoVL KnockoutJS的特点是双向绑定,在ViewModel中定义一系列的变量,然后用data-bind绑定到对应的HTML元件中即可。
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snippets.uilicious.com - It's like CodePen, but for cross browser testing. UI-licious lets write tests like user stories, and offers a free platform - UI-licious Snippets - that allows you to run unlimited number of tests on Chrome for free with no sign up requred, for up to 3 minut...
https://codepen.io/xinxhe/pen/qBBMoVL todo-codepen.gif KnockoutJS的特点是双向绑定,在ViewModel中定义一系列的变量,然后用data-bind绑定到对应的HTML元件中即可。做这个项目的时候有几个难点:1.实现输入to-do后按回车键添加; 2. 实现动态组件变化,如点击编辑按钮后变成储存按钮,点击编辑按钮后to-do文字部分...
It also supports auto-formatting and code clean-up for HTML, CSS, and JavaScript. Liveweave has more than 25,000 registered users worldwide, which includes professionals, freelancers, developers, designers, top universities, and schools. JSPen JSPen is similar to other tools on the list but ...
CodePen Embed Fallback But I find a CSS-only solution far more enticing! The version above has some UX pitfalls we’ll cover later. The trick here is that browsersalready do scroll anchoring by default.But what browsers are trying to do isnotshift the page on you. So when new content ...
And in those cases, I’m sure you’ve been asked to display those links side-by-side rather than allowing them to stack vertically as an unordered list is naturally wont to do. Some of us who have been writing styles for some years may have muscle memory for changing thedisplayof those...
The choice atCodePenwas Google Analytics, because most of the team had used it before. It was free and easy to install. The team did what most people do when installing Google Analytics: we copied and pasted the default tracking snippet andthat’s it. Nothing custom at all. ...