typescript pass callback function as parameter

This article describes how to define and use methods in Typescript. I. Method standard declaration and use1 // Method Declaration 2 function func (X:number, Y:number): number {3 return x + y; 4 }In Typescript, a method declaration can

What is the difference between ng-if and ng-show/hide? The 1th difference is that ng-if creates this DOM node when the following expression is true, Ng-show is created at the initial time, and Display:block and Display:none are used to control the

AngularJS interview questions and angularjs questions What are the differences between ng-if and ng-show/hide? The first difference is that ng-if creates this dom node only when the following expression is true. ng-show is created at the initial

Vue Advanced (iii): Axios use detailed HTTP request clients based on Promise, which can be used in both browsers and Node.js. functional features send xmlhttprequests requests in browsers, HTTP requests in Node.js, support Promise APIs, intercept

JavaScript Console ObjectConsole.log This method is used to output information in the console window, which can receive multiple parameters and link their results to output This method automatically adds line breaks at the end of the output This

The hero's guide continues to move on. Next, we are ready to add more components.In the future there will be more components to access the hero data, we do not want to copy and paste the same code over and over again. The solution is to create a

ASP.net signalr is a tool that was launched a few years ago for use by ASP.net developers to add real-time functionality to the application. As long as the ASP.net application must receive frequent asynchronous updates from the server (from the

The project team used node. JS and found this article to be good. Forward, please. Original address: "Original".-------------------------------------------A Chatroom for all! Part 1-introduction to node. jsRami Sayar 4 SEP 7 This

Reprint: https://www.cnblogs.com/libin-1/p/6607945.htmlIntroduction Method:$ npm Install axios$ cnpm Install Axios//taobao Source $ bower Install Axios or use CDN: src= "Https://unpkg.com/axios/dist/axios.min.js">script > Give me a chestnut:

Hello World Under the Blogwebsite directory:Create a new helloworld.js with the following code:var http = require (' http '); http.createserver(function(req, res) { Res.writehead ( 200,{' content-type ': ' Text/plain '}); Res.end (' Hello