JavaScript&nodejs

JavaScript/NodeJS/demo/app.js

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+const http = require('http');
+const url = require('url');
+http.createServer(
+    function(request,response){
+        //客户端传递的信息
+        console.log(request.url);
+        //使用URL模块解析url
+        if(request.url!='/favicon.ico'){
+            var userinfo = url.parse(request.url,true).query;
+            console.log(userinfo.name+userinfo.age);
+        }
+
+        //响应客户端的信息
+        response.writeHead(200,{'Content-Type':'text/plain;charset=utf-8'});
+        response.write("你好ddddthis is node js\n")
+
+        //结束客户端响应
+        response.end('hello world');
+    }
+).listen(8081);
+console.log("server runing")

JavaScript/NodeJS/demo/package.json

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+{
+  "name": "first",
+  "version": "1.0.0",
+  "description": "hello",
+  "main": "app.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [
+    "hello"
+  ],
+  "author": "ykl",
+  "license": "ISC"
+}

JavaScript/NodeJS/demo/test.js

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+
+
+
+async function run(){
+    var a=1;
+    for(var i=0;i<1000000000;i++){
+        a++;
+    }
+    console.log("run finish");
+    return "run return";
+}
+
+async function run2(){
+    console.log(await run());
+    console.log("run2 finish")
+    return "run2 return";
+}
+
+async function run3(){
+    
+    console.log(await run2());
+    return "run3 return";
+}
+run3();