es6模板字符串，想传递两个参数player,i，提示错误localVideo.html:1 Uncaught SyntaxError: Unexpected identifier？应该怎么改？其中player是一个对象<span ondblclick="switchGroup(${player},${i})">${(i-1)*25+1}-${i*25}</span>
<span ondblclick="switchGroup(${player},${i})">${(i-1)*25+1}-${i*25}</span>
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