{"id":11797,"date":"2023-11-28T22:33:59","date_gmt":"2023-11-28T14:33:59","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=11797"},"modified":"2023-11-30T18:35:43","modified_gmt":"2023-11-30T10:35:43","slug":"javascript-zhong-attribute-he-property-de-qu-bie-s","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/javascript-zhong-attribute-he-property-de-qu-bie-s\/","title":{"rendered":"JavaScript \u4e2d attribute \u548c property \u7684\u533a\u522b\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"<p>\u5728 JavaScript \u4e2d\uff0c<code>attribute<\/code> \u548c <code>property<\/code> \u662f\u7528\u4e8e\u8bbf\u95ee\u548c\u64cd\u4f5c HTML \u5143\u7d20\u7684\u4e24\u79cd\u4e0d\u540c\u65b9\u5f0f\u3002<\/p>\n<h3><a id=\"%E5%8C%BA%E5%88%AB%EF%BC%9A\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u533a\u522b\uff1a<\/h3>\n<ol>\n<li>\n<p><strong>Attribute\uff08\u5c5e\u6027\uff09\uff1a<\/strong><\/p>\n<ul>\n<li><code>attribute<\/code> \u662f\u6307 HTML \u5143\u7d20\u4e0a\u7684\u6807\u8bb0\u5c5e\u6027\uff0c\u4ee5\u5b57\u7b26\u4e32\u5f62\u5f0f\u5b58\u5728\u4e8e HTML \u4e2d\u3002<\/li>\n<li>\u901a\u8fc7 <code>getAttribute()<\/code> \u548c <code>setAttribute()<\/code> \u65b9\u6cd5\u53ef\u4ee5\u8bfb\u53d6\u548c\u8bbe\u7f6e HTML \u5143\u7d20\u7684\u5c5e\u6027\u503c\u3002<\/li>\n<li><code>getAttribute()<\/code> \u53ef\u4ee5\u83b7\u53d6 HTML \u5143\u7d20\u7684\u521d\u59cb\u503c\uff0c\u4e0d\u53d7 JavaScript \u6539\u53d8\u800c\u6539\u53d8\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>Property\uff08\u5c5e\u6027\uff09\uff1a<\/strong><\/p>\n<ul>\n<li><code>property<\/code> \u662f\u6307 JavaScript \u5bf9\u8c61\u4e2d\u8868\u793a HTML \u5143\u7d20\u7684\u5c5e\u6027\uff0c\u4ee5\u5bf9\u8c61\u5f62\u5f0f\u5b58\u5728\u4e8e DOM \u5143\u7d20\u4e0a\u3002<\/li>\n<li>\u901a\u8fc7\u76f4\u63a5\u8bbf\u95ee JavaScript \u5bf9\u8c61\u7684\u5c5e\u6027\u6765\u8bfb\u53d6\u548c\u8bbe\u7f6e HTML \u5143\u7d20\u7684\u5c5e\u6027\u503c\u3002<\/li>\n<li><code>property<\/code> \u53cd\u6620\u4e86\u5f53\u524d HTML \u5143\u7d20\u7684\u72b6\u6001\uff0c\u4f1a\u968f\u7740 JavaScript \u5bf9\u8c61\u7684\u6539\u53d8\u800c\u6539\u53d8\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3><a id=\"%E7%A4%BA%E4%BE%8B%EF%BC%9A\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u793a\u4f8b\uff1a<\/h3>\n<pre><code class=\"language-html\">&lt;!-- HTML \u5143\u7d20 --&gt;\n&lt;input type=&quot;text&quot; id=&quot;myInput&quot; value=&quot;Hello&quot; \/&gt;\n\n&lt;script&gt;\n  const input = document.getElementById('myInput');\n\n  \/\/ \u901a\u8fc7 attribute \u83b7\u53d6 value \u5c5e\u6027\n  const attributeValue = input.getAttribute('value'); \/\/ &quot;Hello&quot;\n\n  \/\/ \u901a\u8fc7 property \u83b7\u53d6 value \u5c5e\u6027\n  const propertyValue = input.value; \/\/ &quot;Hello&quot;\n\n  \/\/ \u6539\u53d8 value \u5c5e\u6027\n  input.setAttribute('value', 'World');\n  console.log(input.getAttribute('value')); \/\/ &quot;Hello&quot;\uff08attribute \u4e0d\u53d8\uff09\n  console.log(input.value); \/\/ &quot;World&quot;\uff08property \u6539\u53d8\uff09\n&lt;\/script&gt;\n<\/code><\/pre>\n<p>\u603b\u7684\u6765\u8bf4\uff0c<code>attribute<\/code> \u662f HTML \u5143\u7d20\u4e0a\u7684\u539f\u59cb\u6807\u8bb0\u5c5e\u6027\uff0c\u800c <code>property<\/code> \u662f JavaScript \u5bf9\u8c61\u4e0a\u7684\u5c5e\u6027\uff0c<code>property<\/code> \u53cd\u6620\u4e86\u5f53\u524d HTML \u5143\u7d20\u7684\u72b6\u6001\uff0c\u53ef\u4ee5\u88ab JavaScript \u76f4\u63a5\u64cd\u4f5c\u548c\u6539\u53d8\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 JavaScript \u4e2d\uff0cattribute \u548c property \u662f\u7528\u4e8e\u8bbf\u95ee\u548c\u64cd\u4f5c HTML \u5143\u7d20\u7684\u4e24\u79cd [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[115],"tags":[],"class_list":["post-11797","post","type-post","status-publish","format-standard","hentry","category-javascript"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11797","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=11797"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11797\/revisions"}],"predecessor-version":[{"id":13639,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11797\/revisions\/13639"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=11797"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=11797"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=11797"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}