{"id":34,"date":"2023-03-28T12:36:12","date_gmt":"2023-03-28T04:36:12","guid":{"rendered":"https:\/\/private.blueju.cn\/?p=34"},"modified":"2026-04-21T12:15:03","modified_gmt":"2026-04-21T04:15:03","slug":"range%e5%af%b9%e8%b1%a1%e7%9a%84setstart%e6%96%b9%e6%b3%95%e5%92%8csetend%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/private.blueju.cn\/?p=34","title":{"rendered":"Range\u5bf9\u8c61\u7684setStart\u65b9\u6cd5\u548csetEnd\u65b9\u6cd5"},"content":{"rendered":"<h2>MDN<\/h2>\n<p>\u9996\u5148\u6302\u4e0a MDN \u7684\u94fe\u63a5\uff0c\u6700\u6743\u5a01\u7684\u89e3\u91ca\u5c31\u5728\u8fd9\u3002<\/p>\n<p>\u4f46\u7531\u4e8e\u7ffb\u8bd1\u7684\u539f\u56e0\uff0c\u53ef\u80fd\u4e0d\u592a\u597d\u7406\u89e3\u3002<\/p>\n<p><a href=\"https:\/\/developer.mozilla.org\/zh-CN\/docs\/Web\/API\/Range\/setStart\">https:\/\/developer.mozilla.org\/zh-CN\/docs\/Web\/API\/Range\/setStart<\/a><\/p>\n<p><a href=\"https:\/\/developer.mozilla.org\/zh-CN\/docs\/Web\/API\/Range\/setEnd\">https:\/\/developer.mozilla.org\/zh-CN\/docs\/Web\/API\/Range\/setEnd<\/a><\/p>\n<h2>\u6211\u7684\u7406\u89e3<\/h2>\n<p>\u544a\u8bc9 Range \u5bf9\u8c61\uff0c\u9009\u4e2d\u7684\u8303\u56f4\u4ece\u54ea\u91cc\u5f00\u59cb\uff0c\u5230\u54ea\u91cc\u7ed3\u675f\u3002<\/p>\n<h2>Demo<\/h2>\n<p>\u5728 <a href=\"https:\/\/developer.mozilla.org\/zh-CN\/docs\/Web\/API\/Range\/setEnd\">https:\/\/developer.mozilla.org\/zh-CN\/docs\/Web\/API\/Range\/setEnd<\/a> \u8fd9\u4e2a\u9875\u9762\u7684\u63a7\u5236\u53f0\u8f93\u5165\u5e76\u6267\u884c\u4ee5\u4e0b\u4ee3\u7801\u540e\uff0c\u89c2\u5bdf\u6d4f\u89c8\u5668\u4e2d\u7684\u6587\u672c\uff0c\u5b83\u4f1a\u5448\u73b0\u7c7b\u4f3c\u4f60\u7528\u9f20\u6807\u9009\u4e2d\u4e86\u4e00\u5c0f\u6bb5\u6587\u5b57\u7684\u6548\u679c\u3002<\/p>\n<pre><code class=\"lang-javascript language-javascript javascript\">dom = document.querySelector(&#039;#content &gt; article &gt; h1&#039;)\nrange = document.createRange()\nrange.setStart(dom.firstChild,6)\nrange.setEnd(dom.firstChild,12)\n\/\/ \u5728\u6d4f\u89c8\u5668\u4e2d\u5448\u73b0\u9009\u4e2d\u6548\u679c\nwindow.getSelection().addRange(range)<\/code><\/pre>\n<h2>\u6613\u9519\u70b9<\/h2>\n<p>\u7b2c\u4e00\u4e2a\u53c2\u6570\u662f node \u8282\u70b9\uff0c\u7b2c\u4e8c\u4e2a\u662f\u504f\u79fb\u91cf\u3002<\/p>\n<p>\u5982\u679c\u4f60\u662f\u60f3\u9009\u4e2d\u4e00\u6bb5\u6587\u672c\u7684\u7b2c\u51e0\u4e2a\u5b57\u5230\u7b2c\u51e0\u4e2a\u5b57\uff0c\u90a3\u4f60\u4f20\u5165\u7684\u7b2c\u4e00\u4e2a\u53c2\u6570\uff0c\u4e0d\u80fd\u53ea\u4f20\u5165\u4e00\u4e2a\u8282\u70b9\uff0c\u800c\u5e94\u8be5\u662f\u5177\u4f53\u7684\u6587\u672c\u5185\u5bb9\uff0c\u6bd4\u5982\u5728 <a href=\"https:\/\/developer.mozilla.org\/zh-CN\/docs\/Web\/API\/Range\/setEnd\">https:\/\/developer.mozilla.org\/zh-CN\/docs\/Web\/API\/Range\/setEnd<\/a> \u8fd9\u4e2a\u9875\u9762\u4f60\u60f3\u9009\u4e2d\u4ee5\u4e0b\u5185\u5bb9\uff1a\n<img decoding=\"async\" src=\"http:\/\/private.blueju.cn\/wp-content\/uploads\/2023\/03\/1679963832743-78f24ba1-c6d4-44f8-81ab-1760198a1d111-300x226.png\" alt=\"1679963832743-78f24ba1-c6d4-44f8-81ab-1760198a1d11[1]\" class=\"alignnone\" \/>\n<img decoding=\"async\" src=\"https:\/\/cdn.nlark.com\/yuque\/0\/2023\/png\/117103\/1679963832743-78f24ba1-c6d4-44f8-81ab-1760198a1d11.png\" alt=\"\" \/><\/p>\n<p>\u4f60\u5c31\u4e0d\u80fd\u8fd9\u6837\u5b50\u4f20\u53c2\uff1a<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cdn.nlark.com\/yuque\/0\/2023\/png\/117103\/1679964450112-86c831ed-0f09-4c00-bac0-1f35bfc0f663.png\" alt=\"ssss\" class=\"alignnone\" \/><\/p>\n<p>\u800c\u662f\u5e94\u8be5\u5c06<strong>\u8282\u70b9\u4e0b\u7684\u5177\u4f53\u6587\u672c\u8282\u70b9<\/strong>\u4f20\u8fdb\u53bb\uff0c\u5982\u4e0b\uff1a<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cdn.nlark.com\/yuque\/0\/2023\/png\/117103\/1679964685316-76f5f346-af45-41f6-8d3d-7a8066364cfe.png\" alt=\"xxxxx\" \/><\/p>\n<h2>\u53c2\u8003<\/h2>\n<blockquote>\n<p>\u4f60\u8fd8\u53ef\u4ee5\u5728\u4ee5\u4e0b\u5730\u5740\u627e\u5230\u672c\u6587\uff1a<\/p>\n<ul>\n<li><a href=\"https:\/\/www.yuque.com\/blueju\/blog\/xvf2gk\"><strong>\u8bed\u96c0@blueju<\/strong><\/a><\/li>\n<li><a href=\"https:\/\/juejin.cn\/user\/2559318800729015\/posts\"><strong>\u6398\u91d1@blue ju<\/strong><\/a><\/li>\n<li><a href=\"https:\/\/blog.csdn.net\/BLUE_JU\"><strong>CSDN@blue ju<\/strong><\/a><\/li>\n<li><a href=\"https:\/\/segmentfault.com\/u\/blueju\"><strong>segmentfault@blueju<\/strong><\/a><\/li>\n<li><a href=\"https:\/\/www.cnblogs.com\/blueju\/\"><strong>\u535a\u5ba2\u56ed@blueju<\/strong><\/a><\/li>\n<\/ul>\n<\/blockquote>\n<hr \/>","protected":false},"excerpt":{"rendered":"<p>MDN \u9996\u5148\u6302\u4e0a MDN \u7684\u94fe\u63a5\uff0c\u6700\u6743\u5a01\u7684\u89e3\u91ca\u5c31\u5728\u8fd9\u3002 \u4f46\u7531\u4e8e\u7ffb\u8bd1\u7684\u539f\u56e0\uff0c\u53ef\u80fd\u4e0d\u592a\u597d\u7406\u89e3\u3002 <a href=\"https:\/\/d\">https:\/\/d<\/a> [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-34","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/private.blueju.cn\/index.php?rest_route=\/wp\/v2\/posts\/34","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/private.blueju.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/private.blueju.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/private.blueju.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/private.blueju.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=34"}],"version-history":[{"count":4,"href":"https:\/\/private.blueju.cn\/index.php?rest_route=\/wp\/v2\/posts\/34\/revisions"}],"predecessor-version":[{"id":42,"href":"https:\/\/private.blueju.cn\/index.php?rest_route=\/wp\/v2\/posts\/34\/revisions\/42"}],"wp:attachment":[{"href":"https:\/\/private.blueju.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=34"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/private.blueju.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=34"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/private.blueju.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=34"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}