NPM Install error Summary-Continuous update __npm

1, npm install error: 1.NPM unexpected end of JSON input while parsing near

2.NPM err! A Complete log of this run can is found in:

Solution:

First of all:

Update NPM version command:

NPM install NPM-G to remember Global update

Taobao Mirror command: cnpm install npm-g Taobao Mirror will be relatively fast

Check out the NPM version again: npm-v

Secondly:

NPM Install--registry=https://registry.npm.taobao.org--loglevel=silly:

At last:

NPM Cache Clean--force

2, NPM download failed.

Solution: Modify the NPM mirror source.

Modify NPM Mirror Source method (three methods any one can solve the problem, the proposed use of a third, will be configured to die, the next time the configuration is still in):

1. Through config command

NPM Config Set registry https://registry.npm.taobao.org 
NPM Info underscore (if the above configuration is correct, this command will have a string response)

2. Command line designation

3. Edit ~/.NPMRC Add the following content

Registry = https://registry.npm.taobao.org

Under Mac System,. NPMRC This setting:

Open the terminal and switch to the root path

One, open. NPMRC (will be prompted not to find the file, it doesn't matter)

Two, NPM config set registry https://registry.npm.taobao.org

Third, jump again to step one, you can see the NPMRC file has been set up registry

Search Mirror: https://npm.taobao.org

Establish or use mirrors, reference: https://github.com/cnpm/cnpmjs.org

(Disclaimer: This article refers to solutions on the network)