simple calculator in javascript source code

to the button[Mybotton settitle:@ "calculation" forstate:uicontrolstatenormal];Color of the default state "calculation"[Mybotton Settitlecolor:[uicolor Redcolor] forstate:uicontrolstatehighlighted];Color of the "calculated" highlight state[Mybotton Settitlecolor:[uicolor Bluecolor] forstate:uicontrolstatenormal];Automatically resize the button[Mybotton SizeToFit];Add to Root view[Self.view Addsubview:mybotton];Implement Click events[Mybotton addtarget:self Action: @selector (calculate) forcontr

The use of methods for objects and properties in Java, simple to write a case Import Java.util.Scanner; Class Calculste {int A;//define two integer int b; String option; Defines the receive operator string public void count () {//To determine the operator switch (option) {case "+": System.out.println ("Compute and:" +a+ "+" +b+ "=" + (a+b)); Break Case "-": System.out.println ("Calculated difference:" +a+ "-" +b+ "=" + (a-b)); B

values during calculation. function Value(value){ this.value = value || 0;}Value.prototype.toString = function(){ return this.value.toString(); }; Code Implementation of the createOperator function: // IIFEvar createOperator = (function () {// name: "+", "-", "*", "/" // OPERATOR: return function (name, struct) {// closure function var Foo = function () {// obtain two operands var args = arguments; var nums = []. slice. call (arguments); nums = nu

The modified calculator Code has the following problem: If you need to add a new operation class, in addition to modifying the interface code, you also need to add a new statement in the switch of operaationfactory! Using C # reflection technology can solve the problem well. The following code does not use DLL. For exa

Friends who are learning javascript can do this little exercise to improve their ability to write code. The Code is as follows: JS Calculator

There are actually several ways to view the webpage source code. The most common method is to directly select "view webpage source code" in the browser, but sometimes this method cannot work, the following describes several simple methods for your reference! First: view-

The first type: View-source method View-source is a protocol that is essentially supported by every browser in the early days. But do not know what reason, from IE6 Beta2 after IE no longer support this agreement. This method can only be used in Firefox browser now! How to: Enter in the browser address bar View-source: Return to see the

First: view-source method View-source is a protocol that is basically supported by every browser in the early stage. But I don't know why. IE no longer supports this protocol since IE6 Beta2. This method can only be used in FireFox now! Usage: Enter View-source: Press enter to view the source

Very simple Ajax request instance with source code, ajax instance source code Ajax is not a new programming language, but a technology used to create better, faster, and more interactive Web applications. With Ajax, you can use the XMLHttpRequest object of

Volley is simple to learn and use 5-source code analysis 3-volley source code analysis I. Volley workflow: Ii. NetworkNetwork requests to be processed in NetworkDispatcher are processed as follows: NetworkResponse networkResponse = mNetwork.performRequest(request);Let'

Lnmp source code installation and simple configuration, lnmp source code configuration. Lnmp source code installation and simple configurati

Struts1 implements simple login (with source code) and struts1 source code Environment: MyEclipse 14 Release Date: 21:04:551. struts1 framework construction In MyEclipse, create a web project named struts1_login. If this is an empty document, right-click the project and choo

Web page authorization (OAuth2.0) PHP source code is simple implementation, oauth2.0 source code Abstract: 1. We recommend that you learn the OAuth2.0 protocol. 2. Official documents and tools should be fully utilized. It is relatively