JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://cdn.sencha.io/ext-4.1.1-gpl/resources/css/ext-all.css">

JavaScript

Ext.override(Ext.view.Table, {
    onUpdate: function (store, record, operation, changedFieldNames) {
        var me = this,
            index,
            newRow, newAttrs, attLen, i, attName, oldRow, oldRowDom,
            oldCells, newCells, len, i,
            columns, overItemCls,
            isHovered, row,

            isEditing = me.editingPlugin && me.editingPlugin.editing;

        if (me.viewReady) {
            
            index = me.store.indexOf(record);
            columns = me.headerCt.getGridColumns();
            overItemCls = me.overItemCls;



            if (columns.length && index > -1) {
                newRow = me.bufferRender([record], index)[0];
                oldRow = me.all.item(index);
                if (oldRow) {
                    oldRowDom = oldRow.dom;
                    isHovered = oldRow.hasCls(overItemCls);


                    if (oldRowDom.mergeAttributes) {
                        oldRowDom.mergeAttributes(newRow, true);
                    } else {
                        /*
                        newAttrs = newRow.attributes;
                        attLen = newAttrs.length;
                        for (i = 0; i < attLen; i++) {
                            attName = newAttrs[i].name;
                            if (attName !== 'id') {
                                oldRowDom.setAttribute(attName, newAttrs[i].value);
                            }
                        }
                        */
                    }

                    if (isHovered) {
                        oldRow.addCls(overItemCls);
                    }


                    oldCells = oldRow.query(me.cellSelector);
                    newCells = Ext.fly(newRow).query(me.cellSelector);
                    len = newCells.length;

                    row = oldCells[0].parentNode;
                    for (i = 0; i < len; i++) {


                        if (me.shouldUpdateCell(columns[i], changedFieldNames)) {

                            if...