add class on condition react code example

Example 1: react conditional classname

<div className={`banner ${active ? "active" : ""}`}>{children}</div>

Example 2: add condition inside a className in reactjs

className={`banner ${active ? "active" : ""}`}

Example 3: react conditional class

<div className={"btn-group pull-right " + (this.props.showBulkActions ? 'show' : 'hidden')}>