SharePoint read list item attachments

	function ReadList(listName, id, onSuccess) {
	var odata = [];
	//var listName = "MyList";
	//var id = "20";
	var objcontext = new SP.ClientContext();
	var web = objcontext.get_web();
	var attachmentFolder = web.getFolderByServerRelativeUrl('Lists/' + listName + '/Attachments/' + id);
	var attachmentFiles = attachmentFolder.get_files();
	objcontext.load(attachmentFiles);
	objcontext.executeQueryAsync(function () {
	var cnt = attachmentFiles.get_count();
	if (cnt > 0) {
	var AttachArray = [];
	for (var i = 0; i < cnt; i++) {
	var fileName = attachmentFiles.itemAt(i).get_name();
	AttachArray.push({ "FileName": fileName, "FileURL": attachmentFiles.itemAt(i).get_serverRelativeUrl() });
	}
	odata.push({ "Title": objItem.get_item('Title'), "AllAttachments": AttachArray });
	onSuccess(odata);
	}
	else {
	odata.push({ "Title": objItem.get_item('Title') });
	onSuccess(odata);
	}
	}, function () {
	console.log("Failed.Error:" + args.get_message());
	});
	}
	//How to call above function, in UI
	$(document).ready(function () {
	ReadList("MyList", "20", function (odata) {
	alert(odata[0].Title);
	if (odata[0].AllAttachments) {
	$.each(odata[0].AllAttachments, function (key, value) {
	alert(value.FileName);
	alert(value.FileURL);
	});
	}
	});
	});

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