In order to make the jqxTree’s items to expand/collapse when the user clicks on an item, you need to set the ‘toggleMode’ property to ‘click’
Code Example:
var source = [ { label: "Mail", expanded: true, items: [ { label: "Calendar"}, { label: "Contacts", selected: true} ]},{ label: "Inbox", expanded: true, items: [ { label: "Admin"}, { label: "Corporate"}, { label: "Finance"}, { label: "Other"}, ]},{ label: "Deleted Items"},{ label: "Notes"},{ label: "Settings"},{ label: "Favorites"}, ];// create jqxTree$('#tree').jqxTree({ source: source, width: '250px', toggleMode: 'click'});Online Example: