ECMAScript Client Object Model – Retrieve data from a list

I’m starting on SharePoint Online development. So was examining what are the capabilities of ECMAScripts and what we can really achieve. So started simply to read some values from a SharePoint list.

In the below example I’m trying to retrieve list data and populate them inside a drop down.

In the markup I have one Dropdown list that will get populated with the list data, and a button to trigger the event for retrieving data and populating the dropdown.


I have bound the retrieveListItems method to onclick event of the button.

<select id=”ddlCategory”></select> <br />

<input type=”button” value=”GetData” onclick=”retrieveListItems();” />

Then I have written my ECMA Script in a script block as bellow.

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