foreach function

Copy Code code as follows: function ForEach (object, block, context, FN) { if (object = = null) return; if (!FN) { if (typeof object = = "function" && object.call) { Traverse Normal Objects fn = Function; else if (typeof Object.foreach =

IntroductionA few days ago on the intersection of a JS array to ask the next colleague, his first reaction is the cycle, which is also the conventional thinking, because I personally more inclined to JS, I joked, I do not know JS can be like LINQ to

1, support jquery plug-in way. Jquery.linq.min.js.2, can also be used like ordinary JS method. Linq.min.js.3, of course, with customary vs children's shoes certainly want to have a good sense of intelligence, yes, it supports.4, and C # LINQ has a

In makefile, functions can be used to process variables, making our commands or rules more flexible and intelligent. Make does not support many functions, but it is enough for us to operate. After a function is called, the return value of the

You may have heard about the built-in methods of array objects. Today we will mainly introduce the built-in methods of array objects in JavaScript. If you are interested, refer to the following, hope to help you learn javascript /** * This article

We all know that forEach in IE8 and earlier versions does not support js. How can we make IE8 or earlier versions support forEach? This article introduces the solution that IE8 does not support forEach. For more information about the code farmers,

Uncle Bob proposed and carried forward the Five Principles S.O.L. I. D to better implement object-oriented programming. Uncle Bob proposed and carried forward the Five Principles S.O.L. I. D to better implement object-oriented programming. The five

It is not easy to create a complete website through node. js. This involves reading the Page Template and extracting data from the database to build a new page and return it to the client. But this is not the case. We still need to set the header.

The PHPforeach () function is only applicable to arrays. This is just a simple way to traverse arrays. The PHPforeach () function can only be used for arrays. an error occurs when you try to use it for another data type or an uninitialized variable.

PrefaceUncle Bob proposed and carried forward the Five Principles S.O.L. I. D to better implement object-oriented programming. The five principles are:The Single Responsibility Principle (Single Responsibility SRP)The Open/Closed Principle (Open and

Preface Uncle Bob proposed and carried forward the Five Principles S.O.L. I. D to better implement object-oriented programming. The five principles are: The Single Responsibility Principle (Single Responsibility SRP)The Open/Closed Principle (Open

Use vue's two-way binding to implement a todo-list sample code, vuetodo-list Preface I recently learned the basic principles of the vue framework and read some technical blogs and some simple implementations of the vue source code, provides a deeper

JavaScript self-learning notes (required) and javascript self-learning 0-determine whether variables and parameters are initialized If (x) {} // The variable is initialized, the variable is not empty, or the variable is not zero. 1-declaring a

/** * This article simply sorts out the built-in methods of Array objects in W3C standards. * No nutrition is provided in the full text. However, some questions are raised during the final performance test. */ Mutator methods) These methods

var conn = new Mongo ("localhost:27017");var db = Conn.getdb ("f26");//Connect or CREATE DatabasePrint (Db.getname ());Db.dropdatabase ();//Delete databaseDb.createcollection ("Students");//Create a collectionvar students = db.getcollection

1. js array looping. Array loop variables, the first thought of is the for (vari0; I & lt; count; I ++) method. In addition, you can also use the relatively simple forEach method 2. forEach function. The Array types of Firefox and Chrome both have

[-] 1. js array looping 2 foreach Function 3. Make ie compatible with the foreach Method 4. How to jump out of a loop    1. js array looping. Array loop variables, the first thought of is for (VAR I = 0; I   In addition, you can also use a

Twaver's demo has common ring layout and tree layout, but when there are a large number of network elements and we don't want zoomoverview, we naturally think of double-layer layout, the overall effect is neither very crowded nor full of the entire

Let's look at the following code:1 varA = 0;2Alert ("1st alert:a =" +a);3 functionFun () {4Alert ("2nd alert:a =" +a);5 varA = 1;6SetTimeout (function(){7Alert ("3rd alert:a =" +a);8A = 2;9},1000);TenA = 3; OneSetTimeout (function(){ AAlert

1.html Code: from the start of the event and: days Time points seconds from the start of the event and: days Time