javascript - updating class using jquery -


in following html, jquery, bootstrap code, 

addmenubar : function addnavigation (component) {     var html = '<ul class="nav nav-pills nav-justified" role="tablist">';     html += '<li id ="scenario" class="disabled"><a href="#">scenario</a></li>';     html += '<li id ="resolutions" class="disabled"><a href="#">resolutions</a></li>';     html += '<li id ="triggers" class="disabled"><a href="#">triggers</a></li>';     html += '</ul>';     component.append(html);     $('ul[id="scenario"] li').addclass("active"); }

where component container div follows:

    this.container = $(document.createelement('div'));     this.container.addclass('patient-hover-inner');     this.container.appendto(this.form);

i want change class 'li' item id = 'scenario' 'disabled' 'active'. how do this? above won't work without errors

$('ul[id="scenario"] li').addclass("active");

can 

$('ul li#scenario').removeclass("disabled").addclass("active");

if li has disabled class removed. if doesn't nothing happens. in either case 'active' class added.


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