parent scope

For a long time did not understand the closure, and then understand the scope, and this related issues to understand the closure related knowledge.Closure (closure), but also a regular face test. The simple point is the function nesting function.

Today inadvertently saw a JS pen test questions, can not help but think of beginners JS that will be a variety of topics of bitterness, although now also will be a pen test abuse, but after all better than before, at least for this problem I can

AngularJs: Controller data sharing, inheritance, and communication usage Original works of Lin bingwen Evankaka. Reprinted please indicate the source http://blog.csdn.net/evankaka Abstract: This article focuses on the detailed use of data sharing,

The essence of this problem is: V-repeat will produce sub-scope, when you take the value in the controller, the equivalent of the parent scope to take sub-scope of the value, because the scope in the angular.js is looked up, so cannot be taken.The

Angular Directive scope1. When the scope attribute is not specified in directive, the directive directly uses the scope of the app;2. When you specify the scope attribute in directive, there are 3 ways to scope scope:2.1. =: Represents the data

In JavaScript, the execution environment defines the other data that variables and functions have the right to do, and determines their respective behavior; scope is the range of variables and functions that can be accessed, divided into global

Directives are used very frequently in angular projects, and we need custom directives when their own instructions do not meet our needs.In angular, scope is a very important concept. Similarly, to define a directive, we also need to set his

Scope has true (to force the creation of a separate range) and False (default);When the scope option is written in this form of scope:{}, the isolation scope has been generated for the directive, and now we look at the three forms of the binding

The scope parameter has several ways:1, not filled, default is Scope:false2,scope:true3,scope:{}4,' =' @ '& ' }Let me explain the usage between them separately:The first kind: Look at the codeIf scope is not defined here, then angular invokes the

In computer science, grammatical sugars (syntactic sugar) refer to the syntax of a programming language that is easier to express an operation, which makes it easier for programmers to use the language: operations can become clearer, more convenient,

People familiar with node development are certainly not unfamiliar with callback functions, but they are not used in PHP. In fact, PHP also supports callback functions, today we will explain the use of the callback function in PHP and anonymous

PHP supports callback functions (callback), which is a much more powerful feature than other high-level languages. However, compared with JavaScript, php5.3 's previous callback function is not very flexible, only function Name of the stringand

Look at the code below. function test () {$param 2 = ' every ';//Returns an anonymous function ($param 1) use ($param 2) {///using clause to let anonymous function uses its scope variable $param2. = ' O Ne ';p rint $param 1. ' ' . $param 2;};}

This article mainly introduces the PHP callback function and anonymous function, combined with instance form analysis of PHP callback function and anonymous function of the specific functions, usage and related considerations, the need for friends

This vs $scope------------------------------------------------------------------------------' This ' vs $scope in AngularJS controllersHow does this and $scope work in AngularJS controllers?Short Answer: This when the controller

uncover The riddle in JavaScriptIn this article I want to clarify this in JavaScript and hope to help you understand how this works. Learning this as a JavaScript programmer is a great help to your development and can be said to outweigh the

First, the problems encounteredThe problem occurs when you use AngularJS to nest controllers. Because each controller has its corresponding scope (equivalent scope, control scope), so the controller nesting, also means the scope of nesting. What

Each of the JavaScript functions is an instance of a function object that has an internal property that is accessible only to the JavaScript engine [[Scope]]. This [[Scope]] stores a collection of scopes called "Scope Chains", which store "variable

In front-end development, we encounter many places where the same type of control is used. ANGULARJS provides a custom command function that allows us to define a specific HTML template within the directive. provided to the foreground HTML call.a

Share tocategoryJS LearningPublishOurjs2013-12-02Note that the reprint must retain the original link, the translation link, the author translator and other information. Author: Jeremywei Original: JavaScript the Core Object Prototype