javascript scientific calculator

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 = nums. map (function (e) {return e. value ;}); v

JS calculator code: [Ctrl + A select all Note: If you need to introduce external Js, You need to refresh it to execute]Note:JavaScript eval () functionDefinition and usageThe eval () function computes a string and executes the JavaScript code.Return ValueReturns the string value (if any ).DescriptionThis method only accepts the original string as the parameter. If the string parameter is not the original s

JavaScript Simple Calculator effect

123456 7 One A - $ $ - - the -Wuyi the - Wu - About $ - - - A + the - $ the the the the - in the theJquery/javascript implement a simple Web calculator

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

I searched the "Calculator" in JavaScript and found only three records. So I sent it out. Today it's okay to write and play. It is relatively simple. There is no technical content or practical value. It is only for beginners to learn. Experts can see if there is no problem and try again. Test environment: IE6 + firefox1.5 passed the test Technical description:1. documnet. getelementsbytagname usage2. bind a

(!operation) return; Result=operatenum (result,num,operation); Setscreen (result); Operation=null; Isreset=false; } } } Third:The use of global variables, the use of global variables to control the progress of local operations. (State control) Copy Code code as follows: var result=0;//calculation results Whether the Var isreset=false;//is reset var operation;//operator Fourth:Detach and decouple the page operation. Copy Code code as follows: