 ?&#8288;enterkeyhint:<a href="Value#type-enterkeyhint">Value.enterkeyhint</a> <span>&#45;&gt;</span> ?&#8288;hidden:unit <span>&#45;&gt;</span> ?&#8288;id:string <span>&#45;&gt;</span> ?&#8288;inputmode:<a href="Value#type-inputmode">Value.inputmode</a> <span>&#45;&gt;</span> ?&#8288;is:string <span>&#45;&gt;</span> ?&#8288;itemid:string <span>&#45;&gt;</span> ?&#8288;itemprop:string <span>&#45;&gt;</span> ?&#8288;itemref:string <span>&#45;&gt;</span> ?&#8288;itemscope:unit <span>&#45;&gt;</span> ?&#8288;i