我正在學習 vue.js。我想將圖像的 rel 屬性的值傳遞給方法,但我無法做到這一點。這是我的 html 代碼:<template> <div> <div class="row justify-content-center align-items-center"> <img src="images/retro.jpg" class="card img-fluid" id="pc_left" rel="0"> <img src="images/retro.jpg" class="card img-fluid" id="pc_center" rel="0"> <img src="images/retro.jpg" class="card img-fluid" id="pc_right" rel="0"> </div> <div class="row"> <div class="col-3 d-flex justify-content-start"> <img src="images/retro.jpg" class="card img-fluid" id="pack_cards" rel="0"> </div> <div class="col-6 d-flex justify-content-center"> <img src="images/retro.jpg" class="card img-fluid invisible" id="pc_game" rel="0"> <img src="images/retro.jpg" class="card img-fluid invisible" id="player_game" rel="0"> </div> <div class="col-3 d-flex justify-content-end"> <img src="images/retro.jpg" class="card img-fluid" id="game_briscola" rel="0"> </div> </div> <div class="row justify-content-center align-items-center"> <img @click="play($event)" src="images/retro.jpg" class="card img-fluid" id="player_left" rel="5"> <img @click="play($event)" src="images/retro.jpg" class="card img-fluid" id="player_center" rel="6"> <img @click="play($event)" src="images/retro.jpg" class="card img-fluid" id="player_right" rel="7"> </div> </div></template>當我嘗試提醒 id 或 src 時,一切正常...但是當我提醒 rel 時,會出現一個未定義的提醒(我應該看到一個數字)。開發者工具中沒有出現任何錯誤。有人可以幫忙嗎?
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