javascript - How to apply toggleClass to an element? Galleria -

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i try build custom theme, based on "galleria theme classic", i'm straggling trigger class on button, think, miss something,

   this.addelement('play').appendchild('container','play');    var g = this;    this.$('play').text('play').bind('mouseup', function() {             g.playtoggle();             g.toggleclass("highlight"); // - line don't work });

i error @typeerror: g.toggleclass not function@

it looks you're calling toggleclass on wrong element, or element not jquery wrapped (not quite clear posted code). try this:

$(g).toggleclass('highlight');

or this:

g.$('play').toggleclass('highlight');

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