Set QBO class fields in bulk

qbo-bulk-class-bookmarklet.js

javascript: (function () { 
    var jsCode = document.createElement('script');                   
    jsCode.setAttribute('src', 'https://rawgit.com/dbischof/fb85f76d589123020359e96fce5c5e40/raw/115a2c0667f9c02a90fc7a1226fb09e08bea96a9/qbo-bulk-class.js');
  document.body.appendChild(jsCode); 
 }());

qbo-bulk-class.js

(function($) {
	function sleep(ms) {
	  return new Promise(resolve => setTimeout(resolve, ms));
	}
	async function setClassFields() {
		var wrappers = $('.gridWrapper');
		for (var j = 0; j < wrappers.length; j++) {
			var classFields = $(wrappers[j]).find('.dgrid-row .field-klassId');
			var classField;
			var siblings;
			for (var i = 0; i < classFields.length; i++) {
				classField = $(classFields[i]);
				if (classField.text() != '') {
					// Skip rows where class is already set
					continue;
				}
				else {
					siblings = classField.siblings('.field-amount');
					if (siblings.length == 0) {
						siblings = classField.siblings('.field-accountId');
					}
					if (siblings.first().text() == '') {
						// Skip rows with no amount
						continue;
					}
				}
				
				// Make input field editable
				classField.click();
				await sleep(250);
				
				// Open drop-down menu
				dijit.byId($('input[data-qbo-bind="value: klassField"]:visible').attr('id')).loadAndOpenDropDown(); //.openDropDown();
				await sleep(250);
				
				// Select menu item
				$('.dijitMenu:visible .dijitMenuItem:not(.dijitMenuNextButton):last').click();
				await sleep(500);
			}

			// Hide editable content pane before moving on
			$('input[data-qbo-bind="value: klassField"]:visible').parents('div.dijitContentPane').hide();
		};
	}
	setClassFields();
})($);