Ext.js Tooltip Ext.js Area Chart Ext.js Window Ext.js Tooltip <!DOCTYPE html> <html> <head> <link href = "https://cdnjs.cloudflare.com/ajax/libs/extjs/6.0.0/classic/theme-classic/resources/theme-classic-all.css" rel = "stylesheet" /> <script type = "text/javascript" src = "https://cdnjs.cloudflare.com/ajax/libs/extjs/6.0.0/ext-all.js"></script> <script type = "text/javascript"> Ext.onReady(function() { toolTip = new Ext.ToolTip ({ id : 'toolTip', anchor : 'bottom', html : 'This is a basic toolTip', title : 'Tool - Tip Title', closable : true, closeAction : 'hide' }); Ext.create('Ext.Button', { renderTo: Ext.getElementById('buttonId'), text: 'Hover Me', listeners: { mouseover: function() { toolTip.show(); } } }); }); </script> </head> <body> <div id = "buttonId"></div> </body> </html> Ext.js Area Chart Ext.js Window