Differences

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--- webdesign:html5-and-javascript [2016/09/22 00:32] – [Custom css with less file which don't change variables of bootstrap.less] admin
+++ webdesign:html5-and-javascript [2018/04/24 16:56] – [Node.js] admin
@@ Line 10: / Line 10: @@
 ==== Node.js ====
-refer: https://nodejs.org/
+refer:
+  * https://nodejs.org/
+  * tutorials: https://www.w3schools.com/nodejs/default.asp
 Node.js® is a platform built on **Chrome's JavaScript runtime** for easily building fast, scalable network applications. Node.js uses an **event-driven, non-blocking I/O model** that makes it lightweight and efficient, perfect for data-intensive real-time applications that run across distributed devices.
@@ Line 21: / Line 23: @@
 </code>output:<code>
 v4.2.6
+</code>
+Install nodejs from source on linux:
+  - Step1: Get nodejs source<code bash>
+https://nodejs.org/dist/v8.11.1/node-v8.11.1.tar.gz
+</code>
+  - Step2: Install<code bash>
+tar xzvf node-v* && cd node-v*
+./configure
+make
+make install
+</code>
+  - Error:<code>
+WARNING: C++ compiler too old, need g++ 4.9.4 or clang++ 3.4.2 (CXX=g++)
+</code>
+Install nodejs from linux binary: https://github.com/nodejs/help/wiki/Installation
+  - Step1: Get linux binay<code bash>
+wget https://nodejs.org/dist/v8.11.1/node-v8.11.1-linux-x64.tar.xz
+</code>
+  - Step2: Unzip linux binary to /usr/local/nodejs<code bash>
+mkdir /usr/local/nodejs
+yum install xz
+tar -xJvf node-v8.11.1-linux-x64.tar.xz -C /usr/local/nodejs
+</code>
+  - Step3: Set the environment variable ~/.profile or ~/.bash_profile, add below to the end<code bash>
+# Nodejs
+export NODEJS_HOME=/usr/local/nodejs/node-v8.11.1/bin
+export PATH=$NODEJS_HOME:$PATH
+</code>
+  - Step4:Refresh profile<code bash>
+.~/.profile
+</code>
+  - Step6: Check environment:<code bash>
+echo $PATH
+/usr/local/nodejs/node-v8.11.1/bin:/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin
+</code>
+  - Step5: Test installation using<code bash>
+node -v
+npm version
+</code>output:<code>
+v8.11.1
+{ npm: '5.6.0',
+  ares: '1.10.1-DEV',
+  cldr: '32.0',
+  http_parser: '2.8.0',
+  icu: '60.1',
+  modules: '57',
+  nghttp2: '1.25.0',
+  node: '8.11.1',
+  openssl: '1.0.2o',
+  tz: '2017c',
+  unicode: '10.0',
+  uv: '1.19.1',
+  v8: '6.2.414.50',
+  zlib: '1.2.11' }
 </code>
 ==== npm(node package manager for javascript...) ====
@@ Line 419: / Line 475: @@
 }
 </code>
-=== Custom css with less file which don't change variables of bootstrap.less(Best Method) ===
+=== Custom css with less file which don't change variables of bootstrap.less ===
 We **create the new less file** and using **less tool** to rebuild new less file
   - Step1: Create **style.less** which import **bootstrap** and other changes in **nav.less, header.less, footer.less**<code javascript>