The empty option is generated when a value referenced by ng-model doesn’t exist in a set of options passed to ng-options. This happens to prevent accidental model selection: AngularJS can see that the initial model is either undefined or not in the set of options and don’t want to decide model value on its own. … Read more
There are two ways to approach this problem. Either use a simple array or an array of objects. Each solution has it pros and cons. Below you’ll find one for each case. With a simple array as input data The HTML could look like: <label ng-repeat=”fruitName in fruits”> <input type=”checkbox” name=”selectedFruits[]” value=”{{fruitName}}” ng-checked=”selection.indexOf(fruitName) > -1″ … Read more
(2022) Use Server Side Rendering if possible, and generate URLs with Pushstate Google can and will run JavaScript now so it is very possible to build a site using only JavaScript provided you create a sensible URL structure. However, pagespeed has become a progressively more important ranking factor and typically pages built clientside perform poorly … Read more
How about: <table> <tr ng-repeat=”(key, value) in data”> <td> {{key}} </td> <td> {{ value }} </td> </tr> </table> This method is listed in the docs: https://docs.angularjs.org/api/ng/directive/ngRepeat
Angularjs (versions below 1.1.5) does not provide the if/else functionality . Following are a few options to consider for what you want to achieve: (Jump to the update below (#5) if you are using version 1.1.5 or greater) 1. Ternary operator: As suggested by @Kirk in the comments, the cleanest way of doing this would … Read more
When a Modal is opened, set focus on a predefined <input> inside this Modal. Define a directive and have it $watch a property/trigger so it knows when to focus the element: Name: <input type=”text” focus-me=”shouldBeOpen”> app.directive(‘focusMe’, [‘$timeout’, ‘$parse’, function ($timeout, $parse) { return { //scope: true, // optionally create a child scope link: function (scope, … Read more
For Angular 1.x, use ng-bind-html in the HTML: <div ng-bind-html=”thisCanBeusedInsideNgBindHtml”></div> At this point you would get a attempting to use an unsafe value in a safe context error so you need to either use ngSanitize or $sce to resolve that. $sce Use $sce.trustAsHtml() in the controller to convert the html string. $scope.thisCanBeusedInsideNgBindHtml = $sce.trustAsHtml(someHtmlVar); ngSanitize … Read more
From a recent discussion with the Angular guys on this very topic: For future-proofing reasons, you should not use $$phase When pressed for the “right” way to do it, the answer is currently $timeout(function() { // anything you want can go here and will safely be run on the next digest. }) I recently ran … Read more
First of all, parent-child scope relation does matter. You have two possibilities to emit some event: $broadcast — dispatches the event downwards to all child scopes, $emit — dispatches the event upwards through the scope hierarchy. I don’t know anything about your controllers (scopes) relation, but there are several options: If scope of firstCtrl is … Read more
“How does this and $scope work in AngularJS controllers?” Short answer: this When the controller constructor function is called, this is the controller. When a function defined on a $scope object is called, this is the “scope in effect when the function was called”. This may (or may not!) be the $scope that the function … Read more