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全局升级corejs@3(全局升级node)

全局升级corejs@3(全局升级node)

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本文目录一览:

如何单独下载ui.core.js

在jQuery ui的官网页面 有勾选项的。只勾选core那项就可以了。把其他的勾选去掉然后下载

react native gradle怎么升级

更新版本的React Native将会让你访问更多的APIs, 这样我们可以去使用更多的APIs,视图Views,以及开发者工具以及其他一些好用的东西。浏览版本更新日志就会发现整体FB官方开发进度还是非常紧张的,这样就很容易导致旧版本会出现不能用的情况,后期可能会出现不可预料的情况,这边建议大家尽量更新最新正式版本。

我们大家都知道一个React Native项目使用Android项目,iOS项目和JavaScript项目三部分进行组成的,而且三者都关联打包在npm包内的,所以该项目版本进行更新是比较繁琐的。下面我来给大家讲解一下React Native项目的升级步骤。

一、查看当前版本

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span style="font-family:SimSun;font-size:14px;"pengchengxiang@ubuntu:~/AwesomeProject$ react-native --version

react-native-cli: 0.2.0

react-native: 0.22.2/span

二、查看最新的版本

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span style="font-family:SimSun;font-size:14px;"pengchengxiang@ubuntu:~/AwesomeProject$ npm info react-native

{ name: 'react-native',

'dist-tags': { latest: '0.25.1', next: '0.26.0-rc' },

versions:

[ '0.0.0',

'0.0.5',

... ...

'0.24.1',

'0.25.0-rc',

'0.25.1',

'0.26.0-rc' ],

maintainers:

... ...

dist:

{ shasum: '4177e70e56281cec8fb5fe76218bf6606eeb34b8',

tarball: '' },

directories: {} }/span

三、升级依赖的版本

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span style="font-family:SimSun;font-size:14px;"pengchengxiang@ubuntu:~/AwesomeProject$ npm install --save [email protected]

[email protected] install /home/pengchengxiang/AwesomeProject/node_modules/react-native/node_modules/ws/node_modules/bufferutil

node-gyp rebuild

make: Entering directory `/home/pengchengxiang/AwesomeProject/node_modules/react-native/node_modules/ws/node_modules/bufferutil/build'

CXX(target) Release/obj.target/bufferutil/src/bufferutil.o

SOLINK_MODULE(target) Release/obj.target/bufferutil.node

COPY Release/bufferutil.node

make: Leaving directory `/home/pengchengxiang/AwesomeProject/node_modules/react-native/node_modules/ws/node_modules/bufferutil/build'

[email protected] install /home/pengchengxiang/AwesomeProject/node_modules/react-native/node_modules/ws/node_modules/utf-8-validate

node-gyp rebuild

make: Entering directory `/home/pengchengxiang/AwesomeProject/node_modules/react-native/node_modules/ws/node_modules/utf-8-validate/build'

CXX(target) Release/obj.target/validation/src/validation.o

SOLINK_MODULE(target) Release/obj.target/validation.node

COPY Release/validation.node

make: Leaving directory `/home/pengchengxiang/AwesomeProject/node_modules/react-native/node_modules/ws/node_modules/utf-8-validate/build'

[email protected] postinstall /home/pengchengxiang/AwesomeProject/node_modules/react-native/node_modules/yeoman-generator/node_modules/cross-spawn/node_modules/spawn-sync

node postinstall

npm WARN optional dep failed, continuing [email protected]

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别用babel-polyfill了,教你用core-js@3兼容IE浏览器

最近新启动了个pc端的项目,项目要求兼容IE,想必各位前端都清楚,要想拿下IE这个破地,必须用上babel。

个人平时对这方面也没有过分的关注,于是乎各种网上寻找解决方案,这一找,发现有时候网络就跟个历史博物馆一样,大部分问题的解决方案基本都是过时了的。通篇看下来,基本全是推荐使用 babel-polyfill 的,于是我上npm看了下,发现这个插件最后一次提交是3年前。

然后在入口文件中加入以下内容:

再运行后,你会发现IE浏览器再也不会只能出来个标题,页面一片空白了。

怎么样?是不是很简单!

关于网站首页与子页面是否加载同一个js文件的问题

相同的文件客户端只会向服务器请求一次,不必担心这个,增加服务器负载的是你的页面中的文件的多少,大小,顺序,不同请求的次数和一些其他的问题

如何升级nodejs版本

首先安装n模块:

npm install -g n

第二步:

升级node.js到最新稳定版

n stable

是不是很简单?

n后面也可以跟随版本号比如:

n v0.10.26

n 0.10.26

分享几个npm的常用命令

npm -v #显示版本,检查npm 是否正确安装。

npm install express #安装express模块

npm install -g express #全局安装express模块

npm list #列出已安装模块

npm show express #显示模块详情

npm update #升级当前目录下的项目的所有模块

npm update express #升级当前目录下的项目的指定模块

npm update -g express #升级全局安装的express模块

npm uninstall express #删除指定的模块