我需要帮助来清除我的井字游戏的 div 值。这是我拥有的 HTML 代码:<div class="btns"> <button class="btnstart" id="start">Start game</button><button class="btnrefresh" id="refresh">Refresh</button> </div> <div class="play-area gray pointerEvents"> <div id="block_0" class="block"></div> <div id="block_1" class="block"></div> <div id="block_2" class="block"></div> <div id="block_3" class="block"></div> <div id="block_4" class="block"></div> <div id="block_5" class="block"></div> <div id="block_6" class="block"></div> <div id="block_7" class="block"></div> <div id="block_8" class="block"></div> </div>这是我将 X 和 O 放在 div 上的代码:boxes.addEventListener('click', e =>{ //dispalay x and o. move++; if (turn % 2 === 1){ event.target.innerHTML = activePlayer1; turn++; }else{ event.target.innerHTML = activePlayer2; turn--; } })现在我想使用以下代码清除 div 类块中的值:refreshbtn.addEventListener('click', e =>{ document.querySelector('.block').innerHTML = ''; })但这似乎不起作用。:(
2 回答
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TA贡献1836条经验 获得超4个赞
你需要querySelectorAll而不是querySelector. 由于您要更改多个元素。然后使用循环更改每个项目
const refreshbtn = document.querySelector("button");
const blocks = document.querySelectorAll(".block");
refreshbtn.addEventListener('click', e => {
blocks.forEach(block => {
block.innerHTML = "";
});
})
<div class="block">A</div>
<div class="block">B</div>
<div class="block">C</div>
<div class="block">D</div>
<div class="block">E</div>
<button>Refresh</button>
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