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style="text-align:center"><img src="https://lqzhan.com/zb_users/cache/ly_autoimg/jquery%E7%BB%99%E6%96%87%E6%9C%AC%E6%A1%86%E8%B5%8B%E5%80%BC.jpg" alt="jquery给文本框赋值" title="jquery给文本框赋值" /></p> </p> <pre><code class="language-javascript">$("#textboxId").attr("value", "需要赋的值");</code></pre> <p>这种方法通过修改 <code>value</code> 属性实现赋值，但通常推荐使用 <code>.val()</code>。</p> <p><strong>方法三：动态生成并赋值</strong></p> <pre><code class="language-javascript">var input = $("<input>").attr({ type: "text", value: "动态生成的值" }); $("body").append(input);</code></pre> <p>适用于动态创建文本框并直接赋值的场景。</p> <p style="text-align:center"><img src="https://lqzhan.com/zb_users/cache/ly_autoimg/jquery%E7%BB%99%E6%96%87%E6%9C%AC%E6%A1%86%E8%B5%8B%E5%80%BC.1.jpg" alt="jquery给文本框赋值" title="jquery给文本框赋值" /></p> <p><strong>方法四：为多个文本框统一赋值</strong></p> <pre><code class="language-javascript">$(".textboxClass").val("统一的值");</code></pre> <p>通过类选择器（如 <code>.textboxClass</code>）批量赋值。</p> <p><strong>注意事项</strong></p> <ul><li>确保 DOM 加载完成后再操作（如将代码放在 <code>$(document).ready()</code> 中）。</li> <li>对于 <code><textarea></code>，同样使用 <code>.val()</code> 而非 <code>.html()</code>。</li> </ul><p>如果需要从文本框获取值，使用 <code>var value = $("#textboxId").val();</code>。</p> </div> <div class="tags"> 标签: <a href='https://www.lqzhan.com/tags-453.html' title='赋值'>赋值</a><a href='https://www.lqzhan.com/tags-2541.html' title='文本框'>文本框</a> </div> <div class="sharebox"> <div class="label">分享给朋友：</div> <div class="sharebtn"> <div data-sites="qq,wechat,weibo,qzone" class="sharing"></div> </div> </div> </div> </div> <div class="block"> <div class="posttitle"><h4>相关文章</h4></div> <div class="relatecon"> <div class="relate"><div class="relateimg"><a href="https://www.lqzhan.com/post/5891.html" title="vue实现赋值粘贴"><img src="https://lqzhan.com/zb_users/cache/ly_autoimg/vue%E5%AE%9E%E7%8E%B0%E8%B5%8B%E5%80%BC%E7%B2%98%E8%B4%B4.jpg" alt="vue实现赋值粘贴"></a></div><div class="relateinfo"> <h3><a href="https://www.lqzhan.com/post/5891.html" title="vue实现赋值粘贴">vue实现赋值粘贴</a></h3> <p 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