{"id":3178,"date":"2024-11-10T10:53:33","date_gmt":"2024-11-10T02:53:33","guid":{"rendered":"https:\/\/fwq.ai\/blog\/3178\/"},"modified":"2024-11-10T10:53:33","modified_gmt":"2024-11-10T02:53:33","slug":"js%e5%a6%82%e4%bd%95%e5%88%a0%e9%99%a4%e6%a0%b7%e5%bc%8f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/3178\/","title":{"rendered":"js\u5982\u4f55\u5220\u9664\u6837\u5f0f"},"content":{"rendered":"<blockquote><p>\n  \u53ef\u4ee5\u4f7f\u7528\u56db\u79cd\u65b9\u6cd5\u5220\u9664\u5143\u7d20\u6837\u5f0f\uff1a\u901a\u8fc7 element.style \u8bbe\u7f6e\u503c\u4e3a\u7a7a\u3001\u4f7f\u7528 classlist.remove() \u65b9\u6cd5\u5220\u9664\u7c7b\u3001\u5c06 classname \u5c5e\u6027\u8bbe\u4e3a\u7a7a\u5b57\u7b26\u4e32\u4ee5\u53ca\u4f7f\u7528 removeattribute() \u65b9\u6cd5\u5220\u9664\u6837\u5f0f\u5c5e\u6027\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/08\/2024110806183263712.jpg\" class=\"aligncenter\" title=\"js\u5982\u4f55\u5220\u9664\u6837\u5f0f\u63d2\u56fe\" alt=\"js\u5982\u4f55\u5220\u9664\u6837\u5f0f\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5728 JavaScript \u4e2d\u5220\u9664\u6837\u5f0f<\/strong><\/p>\n<p>\u95ee\u9898\uff1a\u5982\u4f55\u4f7f\u7528 JavaScript \u6765\u5220\u9664\u5143\u7d20\u7684\u6837\u5f0f\uff1f<\/p>\n<p><strong>\u8be6\u7ec6\u56de\u7b54\uff1a<\/strong><\/p>\n<p>\u8981\u4f7f\u7528 JavaScript \u5220\u9664\u5143\u7d20\u7684\u6837\u5f0f\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\uff1a<\/p>\n<p><strong>1. \u4f7f\u7528 element.style \u5c5e\u6027<\/strong><\/p>\n<pre>const element = document.getElementById('my-element');\nelement.style.color = null; \/\/ \u5220\u9664\u989c\u8272\u6837\u5f0f<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p><strong>2. \u4f7f\u7528 classList \u5c5e\u6027<\/strong><\/p>\n<p>classList \u7528\u4e8e\u7ba1\u7406\u5143\u7d20\u7684\u7c7b\u3002\u8981\u5220\u9664\u5143\u7d20\u7684\u7c7b\uff0c\u53ef\u4ee5\u4f7f\u7528 remove() \u65b9\u6cd5\u3002<\/p>\n<pre>const element = document.querySelector('.my-class');\nelement.classList.remove('my-class');<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p><strong>3. \u4f7f\u7528 className \u5c5e\u6027<\/strong><\/p>\n<p>className \u5c5e\u6027\u662f\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u5305\u542b\u4e86\u5143\u7d20\u7684\u6240\u6709\u7c7b\u540d\u3002\u8981\u5220\u9664\u5143\u7d20\u7684\u6240\u6709\u7c7b\uff0c\u53ef\u4ee5\u5c06\u5176\u8bbe\u7f6e\u4e3a\u4e00\u4e2a\u7a7a\u5b57\u7b26\u4e32\u3002<\/p>\n<pre>const element = document.getElementByClassName('my-class');\nelement.className = \"\";<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p><strong>4. \u4f7f\u7528 removeAttribute() \u65b9\u6cd5<\/strong><\/p>\n<p>removeAttribute() \u65b9\u6cd5\u53ef\u7528\u4e8e\u5220\u9664\u5c5e\u6027\uff0c\u5305\u62ec\u6837\u5f0f\u5c5e\u6027\u3002<\/p>\n<pre>const element = document.getElementById('my-element');\nelement.removeAttribute('style'); \/\/ \u5220\u9664\u6240\u6709\u6837\u5f0f\u5c5e\u6027\nelement.removeAttribute('color'); \/\/ \u5220\u9664\u989c\u8272\u6837\u5f0f\u5c5e\u6027<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p><strong>\u9009\u62e9\u8981\u5220\u9664\u7684\u6837\u5f0f\u7684\u6280\u5de7\uff1a<\/strong><\/p>\n<ul>\n<li>\u4f7f\u7528 element.style \u5c5e\u6027\u65f6\uff0c\u6307\u5b9a\u6837\u5f0f\u5c5e\u6027\u7684\u540d\u79f0\uff0c\u4f8b\u5982 color \u6216 background-color\u3002<\/li>\n<li>\u4f7f\u7528 classList \u5c5e\u6027\u65f6\uff0c\u6307\u5b9a\u8981\u5220\u9664\u7684\u7c7b\u540d\u3002<\/li>\n<li>\u4f7f\u7528 className \u5c5e\u6027\u65f6\uff0c\u6307\u5b9a\u8981\u5220\u9664\u7684\u6240\u6709\u7c7b\u540d\u3002<\/li>\n<li>\u4f7f\u7528 removeAttribute() \u65b9\u6cd5\u65f6\uff0c\u6307\u5b9a\u8981\u5220\u9664\u7684\u6837\u5f0f\u5c5e\u6027\u540d\u79f0\u6216\u6240\u6709\u6837\u5f0f\u5c5e\u6027\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fjs\u5982\u4f55\u5220\u9664\u6837\u5f0f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u53ef\u4ee5\u4f7f\u7528\u56db\u79cd\u65b9\u6cd5\u5220\u9664\u5143\u7d20\u6837\u5f0f\uff1a\u901a\u8fc7 element.style \u8bbe\u7f6e\u503c\u4e3a\u7a7a\u3001\u4f7f\u7528 classlist.remove() \u65b9\u6cd5\u5220\u9664\u7c7b\u3001\u5c06 classname \u5c5e\u6027\u8bbe\u4e3a\u7a7a\u5b57\u7b26\u4e32\u4ee5\u53ca\u4f7f\u7528 removeattribute() \u65b9\u6cd5\u5220\u9664\u6837\u5f0f\u5c5e\u6027\u3002 \u5982\u4f55\u5728 JavaScript \u4e2d\u5220\u9664\u6837\u5f0f \u95ee\u9898\uff1a\u5982\u4f55\u4f7f\u7528 JavaScript \u6765\u5220\u9664\u5143\u7d20\u7684\u6837\u5f0f\uff1f \u8be6\u7ec6\u56de\u7b54\uff1a \u8981\u4f7f\u7528 JavaScript \u5220\u9664\u5143\u7d20\u7684\u6837\u5f0f\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\uff1a 1. \u4f7f\u7528 element.style \u5c5e\u6027 const element = document.getElementById(&#8216;my-element&#8217;); element.style.color = null; \/\/ \u5220\u9664\u989c\u8272\u6837\u5f0f \u767b\u5f55\u540e\u590d\u5236 2. \u4f7f\u7528 classList \u5c5e\u6027 classList \u7528\u4e8e\u7ba1\u7406\u5143\u7d20\u7684\u7c7b\u3002\u8981\u5220\u9664\u5143\u7d20\u7684\u7c7b\uff0c\u53ef\u4ee5\u4f7f\u7528 remove() \u65b9\u6cd5\u3002 const element = document.querySelector(&#8216;.my-class&#8217;); element.classList.remove(&#8216;my-class&#8217;); \u767b\u5f55\u540e\u590d\u5236 3. \u4f7f\u7528 className \u5c5e\u6027 className \u5c5e\u6027\u662f\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u5305\u542b\u4e86\u5143\u7d20\u7684\u6240\u6709\u7c7b\u540d\u3002\u8981\u5220\u9664\u5143\u7d20\u7684\u6240\u6709\u7c7b\uff0c\u53ef\u4ee5\u5c06\u5176\u8bbe\u7f6e\u4e3a\u4e00\u4e2a\u7a7a\u5b57\u7b26\u4e32\u3002 const element [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-3178","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/3178","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=3178"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/3178\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=3178"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=3178"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=3178"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}