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Questions tagged [virtualscroll]

A UI technique dedicated to increase the performance of large scrollable lists by rendering only a small portion of the data at a moment and virtualising other parts of the dataset, so that the scrollbar parameters remain consistent and a user experiences the result interface close to the original one (without virtualisation)

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97 questions
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Reactive forms inside virtual list behave erratic

I was checking virtual scroll list with reactive forms. Scenario is that i have thousands of rows to show in a list with checkboxes to approve or disprove. So inside virtual list i am generating form group with [formGroupName]="i". But if i check…
famed1900
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virtual-scroll returning empty Array

HTML:
{{item.name}}
In component i am…
Priya
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Ionic - Scroll to a particular element Virtual Scroll

i have the following code. home.html: {{date.holiday}} home.ts: scrollTo(){ let yOffset =…
Akash Mahale
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Ionic3 virtualScroll gives blank list when scrolling far ahead on large list

Using Ionic3 to implement large list scrolling with virtualScroll. I added a vertical slider (input range) linked to a function using Ionic3 this.content.scrollTo(0, yVal, 1000) to scroll back and forth but if I scroll too far ahead in the list, I…
pic
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Angular4 NgFor select box with a large array

I'm working on a project in which I would like to populate a selectbox with all the cities of a certain country. The array I get from my db is about 2800 records long. When Angular renders this selectbox it takes pretty long although the data is…
Maarten De Weerdt
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Virtual scrolling on javascript

I make virtual scrolling by using this fiddle. I can not understand how to get the real scrollable height; If I change row size, it doesn't work. And the if I made small size, such as 200, it doesn't work,too. var s = 20000000 // row…
egaoneko
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Prevent angular-ui ui-scroll from loading in hidden div

I have an angular-ui ui-scroll directive (1.3.0) living in a div that is hidden by default with an ng-show. When it is hidden, ui-scroll just keeps loading data from the datasource even though the ui-scroll-viewport's height is set. If the div is…
Mark Nadig
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Virtual scroll - Angular 7 how to scroll to index given in search box

I have added virtual scroll to accordion. Inside the accordion I have images with page-number. I want to scroll to the position where the page number is present once I enter the value in a search box. I tried adding scrollToView in the javascript…
Janani Sridhar
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Virtual scroll for Angular material table columns

I have a material table with around 1000 columns and I want to virtualize these columns, there are a lot of examples that show virtualization of rows using cdk-virtual-scroll but not for columns. Is there a way to do the virtualizations to columns.
Yaswanth Reddy Ubbara
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Virtual scrolling Not working in Angular with response data- cdk-virtual-scroll-viewport

I am not able to bind the cdk-virtual-scroll-viewport with data in my Angular html. This is the data in my jobLists array which is assigned with response data in ngOnInit In my html class i have sample like this
Nithin Paul
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Vue.js Virtual Scroller with ul and li and add/del item

I make virtual scrolling by using this fiddle. How would you go about getting this: How to delete a
  • that you want (by index for example) with update of the div How to add a new
  • with update of the div The goal is to obtain an ul with…
    • EtienneMaid
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    Primereact - Problem with lazy loading and filtering

    I am facing an issue with the DataTable component of primereact. When I am using the lazy parameter I can use filters with no problem but when i'm using lazy + filter it's not filtering my table this way the filter is working fine :
    Hugo dz
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    Angular Material multi select component with virtual-scroll

    I'm trying to create a custom multi select component, based on the angular-material select component (v10), with virtual-scroll and a custom search input inside the component's overlay. I also added a mat-select-trigger element to display the number…
    helderabreu
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    rows style vue-virtual-scroller not show correct

    I'm using Akryum/vue-virtual-scroller plugin and I have list that each record is component and inside each component have dropdown When the record is opened, it looks like this: The solution that came to my mind was that between the two lines, the…
    Mohamadreza Hedayati
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    Angular CDK virtual scrolling issue

    Having issue to render huge list by using Angular CDK virtual scrolling. Need set the itemsize to 1 to load the list properly. Expected to load the list according to viewport size. But it load far far more than the viewport size. which the viewport…
    Dodo
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