Achieving parent element offset in JavaScript using AngularJS

Question

Achieving parent element offset in JavaScript using AngularJS

console.dir(element[0].parentElement)
console.dir(element[0].parentElement.offsetTop)

In AngularJS, I am attempting to retrieve the offset of a parent element.

I am looking to gather details about the parentElement.

The first row shows that parentElement has an offsetTop value of 385.

However, when checking parentElement.offsetTop in the second row, it only returns 0.

I have also tried using parentElement.getBoundingClientRect(), but it also returns 0.

How can I successfully obtain the offset of the parent element?

javascript angularjs

Answer 1

Answer №1

When inserting your code into a link function and the size or position of the parent element depends on how you render your HTML based on scope variables, obtaining the correct offsetTop directly within the link function becomes challenging.

Why not experiment with an alternative approach by retrieving it after the current angular digest:

scope.$evalAsync(function(){
    console.log(element[0].parentElement.offsetTop);
})

Give this a try and see if it resolves the issue.

Answer 2

When inserting your code into a link function and the size or position of the parent element depends on how you render your HTML based on scope variables, obtaining the correct offsetTop directly within the link function becomes challenging.

Why not experiment with an alternative approach by retrieving it after the current angular digest:

scope.$evalAsync(function(){
    console.log(element[0].parentElement.offsetTop);
})

Give this a try and see if it resolves the issue.

Answer 3

Answer №2

Let's explore how to use jQuery to retrieve the offset of a parent element. I will also demonstrate how this can be achieved using a custom attribute directive in Angular soon. Check out the example below:

HTML

<div>
    <div id="mydiv"></div>
</div>

JS

var element = $('#mydiv');
var parentOffset = $(element).offset();
console.log(parentOffset);

ANGULAR

HTML

<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml" ng-app="myApp">
<head runat="server">

    <title></title>
</head>
<body ng-controller="myController">
    <div>
        <div parent-offset>Test</div>
    </div>
    <script src="scripts/jquery.js"></script>
    <script src="scripts/angular.js"></script>
    <script src="scripts/app.js"></script>
</body>
</html>

JS

(function () {
    angular.module('myApp', [])

    .controller('myController', function ($scope) {

    })
    .directive('parentOffset', function () {
        return {
            restrict: 'A',
            link: function (scope, element, attr) {
                console.log(element.parent().offset());
            }
        }
    })

}());

Answer 4

Let's explore how to use jQuery to retrieve the offset of a parent element. I will also demonstrate how this can be achieved using a custom attribute directive in Angular soon. Check out the example below:

HTML

<div>
    <div id="mydiv"></div>
</div>

JS

var element = $('#mydiv');
var parentOffset = $(element).offset();
console.log(parentOffset);

ANGULAR

HTML

<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml" ng-app="myApp">
<head runat="server">

    <title></title>
</head>
<body ng-controller="myController">
    <div>
        <div parent-offset>Test</div>
    </div>
    <script src="scripts/jquery.js"></script>
    <script src="scripts/angular.js"></script>
    <script src="scripts/app.js"></script>
</body>
</html>

JS

(function () {
    angular.module('myApp', [])

    .controller('myController', function ($scope) {

    })
    .directive('parentOffset', function () {
        return {
            restrict: 'A',
            link: function (scope, element, attr) {
                console.log(element.parent().offset());
            }
        }
    })

}());

Achieving parent element offset in JavaScript using AngularJS

Answer №1

Answer №2

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