How to use the select2/keys.BACKSPACE function in select2
To help you get started, we’ve selected a few select2 examples, based on popular ways it is used in public projects.
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select2 / select2 / tests / selection / search-tests.js View on Github 
selection.update([
{
id: '1',
text: 'One'
}
]);
var $search = $selection.find('input');
var $choices = $selection.find('.select2-selection__choice');
assert.equal($search.length, 1, 'The search was visible');
assert.equal($choices.length, 1, 'The choice was rendered');
// Trigger the backspace on the search
var backspace = $.Event('keydown', {
which: KEYS.BACKSPACE
});
$search.trigger(backspace);
});select2
Select2 is a jQuery based replacement for select boxes. It supports searching, remote data sets, and infinite scrolling of results.
