How to compress javascript

Javascript compression method: 1. Install nodeJs; 2. Create a new index.js; 3. Run the "uglifyjs index.js -c -m -o index.min.js" command on the command line. .

The operating environment of this article: windows7 system, javascript version 1.8.5, Dell G3 computer.

How to compress javascript?

js compression method:

1. uglifyjs

First install nodeJs

Create a new index.js

function log(text){
	console.log(text)
}
log("Hello~")

Command line operation:

uglifyjs index.js -c -m -o index.min.js

Then it will generate:

function log(o){console.log(o)}log("Hello~");

2, yuicompressor

Download address

https ://github.com/yui/yuicompressor

New yuitest.js

var btn = document.getElementById("b1");
btn.onclick = function(){
  console.log(1);
  console.log(2);
  console.log(3);
  console.log(4);
  console.log(5);
  console.log(6);
}

My folder:

cmd: Execution

java -jar E:/yuicompressor-2.4.8.jar --type js --charset utf-8 E:\all.js > E:\all.min.js

completed.

Recommended study: "javascript basic tutorial"

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