[Solved] hasClass() is not a function Jquery [closed]
You missed off the jQuery constructor function literal ($) in your if() statement: if( msg.data.match(/^LCERROR/) || msg.data.match(/^ERROR/) ) { if( ! $(‘#consoleLog’).hasClass(‘stop’) ) { setInterval(function() { $(‘#consoleLog’).animate( { backgroundColor : “#aa0000” }, 1000).animate( { backgroundColor : “black” }, 1000); }, 100); } } 3 solved hasClass() is not a function Jquery [closed]