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In the project before the teacher gave us a package of a JS file, to solve the loss of precision in the calculation of some functions, direct reference to the JS file can be used.egvar NumA = 0.1;var NumB = 0.2;Alert (NumA + NumB);Results occurred: 0

Web page special Effects province city area level three linkage menu -- JS file

functiononfinish (selproj, selobj) {Try { varStrprojectpath = Wizard. FindSymbol (' Project_path '); varStrprojectname = Wizard. FindSymbol (' Project_Name '); Selproj=Createcustomproject (Strprojectname, Strprojectpath); Addconfig (

/** * Determine if the values are equal * @param source Original comparison data * @param target target comparison data * @param accuracy precision Value * @returns {Boolean}*/isequal:function(source,target,accuracy) {accuracy= Accuracy = =

1. Floating-point number addition operationfunction Numadd (arg1, arg2) {var r1, R2, M;try {R1 = Arg1.tostring (). Split (".") [1].length} catch (e) {R1 = 0}try {r2 = arg2.tostring (). Split (".") [1].length} catch (e) {r2 = 0}m = Math.pow (Ten,

On the internet to find the Java and JS high-precision computing files, very useful. Posted out hoping someone could find it. In this special tribute to the code of the original person ... Java: Import Java.math.BigDecimal; /** * Because Java's

In JavaScript, when you use decimal to perform a subtraction operation, you will find that the resulting results are sometimes followed by a long fractional fraction, which complicates the operation and affects the results of the calculation. The

Copy Code code as follows: Questions like: 7*0.8 JavaScript figure out is: 5.6000000000000005 The addition function, which is used to get the exact addition result.Description: JavaScript addition results will be error, in two

JavaScript is the so-called client-side scripting language, a computer programming language that runs inside an internet browser (also known as a Web client because it connects to a Web server to download pages). The way JavaScript works is

reason:JS in accordance with the 2 to deal with decimal subtraction, on the basis of arg1 arg2 precision extension or reverse expansion matching, so will appear as follows. JavaScript (JS) decimal point subtraction problem, is a JS bug such as 0.3*1

Variables stored in JavaScript do not distinguish between number and float types, and are stored in the same way as float;JavaScript uses the 64bit floating-point format defined by the IEEE 754-2008 standard to store number,decimal64 corresponding

Copy Code code as follows: The Division function, which is used to get the exact division result Description: JavaScript division results will be error, the two floating-point numbers are more obvious when dividing. This function returns a

Ajax this name how to come, I also can not, presumably (Active Javascript Action Xml) bar, white point is the use of Javascript, XMLHTTP and XMLDOM technology and Web site to deal with the user some of the operation of the method bar. Then I will be

Example 1 // Define a simple Map Function getMap () {// initialize map _ and add a method to the map _ OBJECT To make map _ look like Map Var map _ = new Object (); Map _. put = function (key, value ){ Map _ [key + '_'] = value; }; Map _. get =

Simple Map implementation in javascript This article describes how to use javascript to implement a simple Map. You can obtain, Judge, delete, and add a map. The Code is as follows: /* * MAP object to implement the MAP function * * Interface: *

Copy Code code as follows: Easy.ajax = { Proxypool: { Length:function () { var i = 0; For (var p in this) i++; return i-1; } }, index:0, Async:true, Xmldata:false, Timeout:1, Defaultheader: ' Application/json; Charset=utf-8 ',

/* * Map object, realize map function * Interface * Size () Gets the number of map elements * IsEmpty () to determine if the map is empty * Clear () Delete all elements of map * Put (key, value) to add elements (key, value) to the map *

Encapsulates an AJAX framework of its own. Hope to give readers reference, help, evaluation. Since the proposed WEB2.0 rich customers Ajax technology is now more and more popular, to replace the potential of the CS desktop program. Many AJAX-enabled

There is an IFRAME on the page: Copy Code code as follows: Test iframe Leak The contents of a.html are as follows: Copy Code code as follows: insert title here The