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Category: javascript

Figuring out the type of column holding null

I’ve read the answers to this question why is typeof null "object"? and I’m trying to figure out a solution to a specific problem. I am working on a Web application with angularJs for the front-end and ASP.NET MVC for the server code. We’re passing our models to the front-end and then updated values back. Here is the situation I’m trying to find a solution for: When we’re deleting numbers from the input type=”number” using […]

Angular only update input field when not having focus

I have an input field which is for both setting and readback. I would like to have the following behavior: No focus: update the field with readback Focus: no update, if enter is pressed call send with the value written in the field. I have a mwe which is a start but does update when focused. <!DOCTYPE html> <html lang=”en”> <head> <script src=”https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.6.5/angular.js”></script> <script> angular.module(‘App’, []).controller(‘world’, function ($scope) { $scope.value1 = 0; $scope.value2 = 0; […]

Why is only some of the JSON data posting to the DOM rather than all of it?

I’m trying to get JSON data to post to the DOM using ng-repeat with AngularJS. It works, but not for everything. Only random pieces of data are getting posted. I’m assuming the issue is with what I have in the ng-repeat. What am I doing wrong? Here’s what it looks like: You can see how some of the sections come out blank. Here’s what the data looks like when I log it to the console: […]

AngularJS – semicolon after $scope function expression? [duplicate]

This question already has an answer here: Why should I use a semicolon after every function in javascript? 8 answers With JavaScript, it’s best practice to use semicolons after a function expression block: var myfunction = function() { alert(‘hello world’); }; What about in AngularJS, say in a controller, using the dreaded $scope? Often times I see these written without semicolons after the closing block: $scope.myFunction = function() { alert(‘hello world’); } But does anyone […]

Give an element different colors with `ng-repeat`

HTML logic vs Javascript logic I want to do something very simple. Based on the priority description, I want to give different colors to the td. This HTML is generated dynamically based on the tickets. Now let’s say I have 10 types of descriptions the html will start to get messy. Is there a better way or it’s ok to do this? <tr ng-repeat=”ticket in tickets”> <td class=”color-SOMETHING”>{{ticket.TICKET_PRIORITY_DESCRIPTION}}</td> <tr> Source: AngularJS

Angular Google Map – No return by $scope.$watch on map type id property

I’m working on a demo about Google Maps using AngularJS and Angular Google Map. However, I found that there are no return using $scope.$watch on the MapTypeId property. $scope.map = { center: { latitude: 22.396428, longitude: 114.109497 }, zoom: 11, events: { dragend: function() { var currCenter = { lat: $scope.map.center.latitude, lng: $scope.map.center.longitude }; if (strictBounds.contains(currCenter)) return; // We’re out of bounds – Move the map back within the bounds var x = $scope.map.center.longitude, y […]

ng-grid doesn’t get updated when ng-grid filter is used

I have a grid with a button(cell template) which shows a pop up with another grid. The problem is, when using grid’s filter the grid doesn’t show the data for the first time. if i close the grid and click on the button again, then the dialog box with updated grid is shown. what should e the reason it doesn’t work for the first time. on clicking this edit button: $scope.assetGridEditClick = function (row) { […]

How to get url parameter in angularjs?

I have been trying to get the url parameter in Angular, but this is not a Single Page application. I tried the below code snippet. www.example.com?param1=ABC Injected $location in controller, then var paramValue= $location.search().param1; In the above case, paramValue is undefined. But, If I change the url to www.example.com#?param1=ABC (Added # in the URL) it works. But, I don’t want to do this because it breaks the page since it is not SPA. Can someone […]

angular two-way binding not working

I am trying to build a small application using angular (i just started learning it). The app contains a form and Froala WYSIWYG editor. I am trying to connect the form to the editor using ng-model and ng-bind but it doesn’t work. Here is my code let app = angular.module(‘tempApp’, []); app.controller(‘myCtrl’, function($scope) { $scope.text = ” ” }); <div ng-app=”tempApp” ng-controller=”myCtrl” id=”main”> <!– Initialize the editor. –> <script> $(function() { $(‘#editarea’).froalaEditor() }); </script> <input […]

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