A topic about the scope of JS functions related codes var xyx = 1; function fx(){console.log(xyx)} var xyx = 2; fx(); The result of the output is 2. isn t it supposed to look from the inside to the outside of the fx function declaration, and the...
Scope = VO + All Parent VOs I think this represents the variable object in this function scopeChain = [[VO] + [VO1] + [VO2] + [VO nesti1]]; this represents all the variable objects in the global environment All Parent VOs. ...
var a= 1; function fn1(){ alert(a); a = 2; } fn1(); alert(a); output 1 first, and then output 2 I would like to ask the browser about the process of performing this, and ask for advice ...
function student () { var name = xxx ; var getName = function () { return name } var setName = function (newName) { name = newName; } return { getName: getName, setName: setName, name: na...
< H1 > 1. Problem description < H1 > JNA technology is used because work requires calling DLL, in the SDK provided by a third party. The development steps and the use of JNA have been familiar, and the development task has been completed, but there ha...
for example, ten thousand people vote for one person what I do is to read the number of votes first and then get the votes + 1 , but if ten thousand people vote at the same time, the number of votes and updates must be incorrect . The code is as foll...
< H2 > question < H2 > ES6 module import syntax is: import CommonJS module import syntax is: require all along, I thought that import in ES6 could only import JS files, import {myExport} from modules my-module.js ; but when using Webpack to p...
problem description I am writing a framework, but the main function is that the lower computer communicates with the host computer in a protocol similar to json, both sides can flexibly find fields through several index tables (for example, this str...
first of all, to introduce my situation, I have a physical machine as a master node, which is referred to as master later. There are also two additional servers, later known as node1 and node2. Where the docker node slave1-slave10, is configured on node...