JavaScript/jQuery Lookup - Overview
The Lookup is a UI component that allows an end user to search for an item in a collection shown in a drop-down menu.
The following code adds the Lookup UI component to your page. The simplest configuration requires only a dataSource to be specified. In addition, you can define the placeholder to be displayed when the Lookup input field is empty.
HTML
JavaScript
- <div id="lookupContainer"></div>
- $(function() {
- $("#lookupContainer").dxLookup({
- dataSource: [
- "HD Video Player",
- "SuperHD Video Player",
- "SuperPlasma 50",
- // ...
- ],
- placeholder: "Select a product..."
- });
- });
If your data is an array of objects, specify:
- valueExpr
The data field whose value will be written into the value property. - displayExpr
The data field whose value will be displayed within the inner List UI component and in the input field of the Lookup.
JavaScript
- const lookupData = [
- { id: 1, country: "Afghanistan" },
- { id: 2, country: "Albania" },
- // ...
- ];
- $(function() {
- $("#lookupContainer").dxLookup({
- dataSource: lookupData,
- valueExpr: 'id',
- displayExpr: 'country'
- });
- });
See Also
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