angularjs-directive | 易学教程

The difference and relationship between the $scope passed in a controller, and the $scope passed in a directive

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问题 What is the difference and relationship between the $scope passed in a controller , and the $scope passed in a directive ? And how would you set these up? 回答1: This is a brief explanation of what is the difference and relationship between the $scope passed in a controller , and the $scope passed in a directive is: As you can see form the basic Angular setup below, $scope is passed to both the Angular Controller and to the Angular Directive . But what are the differences, and how do these

how to insert data into database using MEAN stack (MySQL, Express, Angular, Node)

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问题 How to insert data into database using MEAN stack (MySQL, Express, Angular, Node)? I am facing the problem at the time of insertion. Please help me to solve this. Here is my code. I'm newbie in MEAN. index.html <html ng-app="bookitnow"> <head> <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css"> <title> Registration Page </title> </head> <body> <div class="container" ng-app="bookitnow" ng-controller="myCtrl"> <h1>Register</h1> <form method="post

Access parent controller in angular directive

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问题 having same nested directives: <div mydir="a"> <div mydir="b"> </div> </div> if mydir requires ?^mydir it always get itself's controller. test_plunk is it possible to access parent's controller? 回答1: According the angular documentation on jqLite, you can call controller() to retrieve the controller for any given element: controller(name) - retrieves the controller of the current element or its parent. By default retrieves controller associated with the ngController directive. If name is

Why does `controllerAs` in JavaScript work but not `ng-controller=…as…` in HTML?

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问题 This works: Plunker controllerAs in js input-form.html <form name="inputForm" ng-submit="inputForm.$valid && inputCtrl.emitData()" novalidate> <textarea name="topic1Data" ng-model="inputCtrl.inputValues.topic1Data" rows="10" cols="30" required></textarea> <button type="submit" class="btn btn-info btn-lg" ng-disabled="!inputForm.$valid">Compare</button> </form> inputForm.js "use strict"; (function() { var inputForm = angular.module('input-form', []); inputForm.directive('inputForm', function()

Run an angular directive inside other javascript framework template

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问题 I'm porting an angular application to ember.js for learning purposes. Inside our project we use a custom angular module we created via a directive. Since porting that component will take a lot of time and I wanted to start from the frontend application, I want to be able to render an angular directive inside an ember component/template and pass a variable to this directive. A non working example could be found here and as you can see I wanted to be able to use a directive from an ember

Angularjs photo album

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问题 Hi I'm making a photoalbum app with angularjs which grabs base-64 encoded image strings from my server and decodes them into images. The problem is my angularjs app can't seem to decode the base64 strings. On my template it shows the no image found icon. I checked the base64 strings and its fine when I embed it straight to the template like this: <p><img src="data:image/jpeg;charset=utf-8;base64, /9j/4AAQSkZJRgABAQEBLA...etc.</p>' The image will show up. However I need to grab the photoalbum

AngularJs while replacing the table row - changing html from compile function but scope is not getting linked

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问题 Here, I am trying to replace the table row through directive and compile function. Somehow, the scope is not linking to newly added template. Here is the really simple code. Created a plnkr here: http://plnkr.co/edit/toAxkoLkWSIxYJU06iuW?p=preview <!DOCTYPE html> <html ng-app="plunker"> <head> <meta charset="utf-8" /> <title>AngularJS Plunker</title> <script>document.write('<base href="' + document.location + '" />');</script> <link rel="stylesheet" href="style.css" /> <script data-require=

Angular directive - what if scope is not set?

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问题 How are scope attributes being inherited when scope is not set in Angular directive definition? In Angular docs (under 'Directive Definition Object') there are two cases: when scope is true or when scope is an object ( {} ). What if scope is not set or is false. How are attributes inherited in this case for the scope and for it's children? 回答1: When scope is set to false(also default value) in directive definition, behavior of scope differs based on whether you are doing transclusion or not.

Javascript objects as function arguments in Angular directive properties

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问题 That title is a mouth-full! I've got some code written by another developer that's on leave and is unavailable to explain himself. None of us left in the office can figure out why it works. Any help would be appreciated! We have a number of directives that use the results of a function defined in the controller as one of the properties. The method on the controller looks something like this. $scope.required = function(pathString, object){ /* pathString is a string representation pointing to a

Angular filtering data in javascript is not displaying results and push of data causes error plunker provided

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问题 Ok, seems that I was having too many issues with the way in which my Angular site is setup, so I put it in a plunker as then anyone can see it. Original question: Angular retrieve specific data into $scope variable is not working Plunker http://plnkr.co/edit/NsE29zjraQp9UeklJBiI?p=preview My issues are 1. i'm not understanding how to use app.filter 2. Issue with app name 3. forEach with push inside $http.get throws error not defined The plunker Index.html has the template code loop , app