{"json_modified": "2016-03-28T08:05:56.164175", "uuid": "84b08171-0578-41c3-aca5-7077f57e56b0", "title": "Node.setUserData()", "url": "/en-US/docs/Web/API/Node/setUserData", "tags": ["API", "Obsolete", "Reference", "Node", "DOM", "Method"], "translations": [{"uuid": "7ea87ba2-3598-4214-bc61-f3b2be79ba05", "title": "Node.setUserData()", "url": "/zh-CN/docs/Web/API/Node/setUserData", "tags": [], "summary": "The <code><strong>Node.setUserData()</strong></code> method allows a user to attach (or remove) data to an element, without needing to modify the DOM. Note that such data will not be preserved when imported via <a href=\"/zh-CN/docs/Web/API/Node/importNode\" title=\"&#x6B64;&#x9875;&#x9762;&#x4ECD;&#x672A;&#x88AB;&#x672C;&#x5730;&#x5316;, &#x671F;&#x5F85;&#x60A8;&#x7684;&#x7FFB;&#x8BD1;!\"><code>Node.importNode</code></a>, as with <a href=\"/zh-CN/docs/Web/API/Node/cloneNode\" title=\"&#x6B64;&#x9875;&#x9762;&#x4ECD;&#x672A;&#x88AB;&#x672C;&#x5730;&#x5316;, &#x671F;&#x5F85;&#x60A8;&#x7684;&#x7FFB;&#x8BD1;!\"><code>Node.cloneNode()</code></a> and <a href=\"/zh-CN/docs/Web/API/Node/renameNode\" title=\"&#x6B64;&#x9875;&#x9762;&#x4ECD;&#x672A;&#x88AB;&#x672C;&#x5730;&#x5316;, &#x671F;&#x5F85;&#x60A8;&#x7684;&#x7FFB;&#x8BD1;!\"><code>Node.renameNode()</code></a> operations (though <a href=\"/zh-CN/docs/Web/API/Node/adoptNode\" title=\"&#x6B64;&#x9875;&#x9762;&#x4ECD;&#x672A;&#x88AB;&#x672C;&#x5730;&#x5316;, &#x671F;&#x5F85;&#x60A8;&#x7684;&#x7FFB;&#x8BD1;!\"><code>Node.adoptNode</code></a> does preserve the information), and equality tests in <a href=\"/zh-CN/docs/Web/API/Node/isEqualNode\" title=\"&#x6B64;&#x9875;&#x9762;&#x4ECD;&#x672A;&#x88AB;&#x672C;&#x5730;&#x5316;, &#x671F;&#x5F85;&#x60A8;&#x7684;&#x7FFB;&#x8BD1;!\"><code>Node.isEqualNode()</code></a> do not consider user data in making the assessment.", "localization_tags": [], "locale": "zh-CN", "last_edit": "2014-09-16T08:16:07", "review_tags": []}], "modified": "2015-08-12T23:39:03", "label": "Node.setUserData()", "localization_tags": [], "locale": "en-US", "id": 8016, "last_edit": "2015-08-12T23:38:58", "summary": "The <code><strong>Node.setUserData()</strong></code> method allows a user to attach (or remove) data to an element, without needing to modify the DOM. Note that such data will not be preserved when imported via <a href=\"/en-US/docs/Web/API/Node/importNode\" title=\"The documentation about this has not yet been written; please consider contributing!\"><code>Node.importNode</code></a>, as with <a href=\"/en-US/docs/Web/API/Node/cloneNode\" title=\"The Node.cloneNode() method returns a duplicate of the node on which this method was called.\"><code>Node.cloneNode()</code></a> and <a href=\"/en-US/docs/Web/API/Node/renameNode\" title=\"The documentation about this has not yet been written; please consider contributing!\"><code>Node.renameNode()</code></a> operations (though <a href=\"/en-US/docs/Web/API/Node/adoptNode\" title=\"The documentation about this has not yet been written; please consider contributing!\"><code>Node.adoptNode</code></a> does preserve the information), and equality tests in <a href=\"/en-US/docs/Web/API/Node/isEqualNode\" title=\"The Node.isEqualNode() tests whether two nodes are equal.\"><code>Node.isEqualNode()</code></a> do not consider user data in making the assessment.", "sections": [{"id": "Quick_Links", "title": null}, {"id": "Syntax", "title": "Syntax"}, {"id": "Parameters", "title": "Parameters"}, {"id": "Example", "title": "Example"}, {"id": "Specifications", "title": "Specifications"}, {"id": "Browser_compatibility", "title": "Browser compatibility"}, {"id": "See_also", "title": "See also"}], "slug": "Web/API/Node/setUserData", "review_tags": []}