{"id":283,"date":"2024-06-18T15:17:16","date_gmt":"2024-06-18T07:17:16","guid":{"rendered":"https:\/\/yichenghui.net\/?p=283"},"modified":"2024-06-18T15:17:16","modified_gmt":"2024-06-18T07:17:16","slug":"%e5%a6%82%e4%bd%95%e7%bb%88%e6%ad%a2foreach%e5%be%aa%e7%8e%af","status":"publish","type":"post","link":"https:\/\/yichenghui.net\/index.php\/2024\/06\/18\/%e5%a6%82%e4%bd%95%e7%bb%88%e6%ad%a2foreach%e5%be%aa%e7%8e%af\/","title":{"rendered":"\u5982\u4f55\u7ec8\u6b62forEach\u5faa\u73af"},"content":{"rendered":"<h2>1.\u629b\u51fa\u9519\u8bef<\/h2>\n<pre><code class=\"language-javascript\">const array = [ -3, -2, -1, 0, 1, 2, 3 ]\n\ntry {\n  array.forEach((it) =&gt; {\n    if (it &gt;= 0) {\n      console.log(it) \/\/ \u8f93\u51fa\uff1a0\n      throw Error(`We&#039;ve found the target element.`)\n    }\n  })\n} catch (err) {\n\n}<\/code><\/pre>\n<h2>2.\u5c06\u6570\u7ec4\u957f\u5ea6\u8bbe\u7f6e\u62100<\/h2>\n<pre><code class=\"language-javascript\">const array = [ -3, -2, -1, 0, 1, 2, 3 ]\n\narray.forEach((it) =&gt; {\n  if (it &gt;= 0) {\n    console.log(it) \/\/ \u8f93\u51fa\uff1a0\n    array.length = 0\n  }\n})<\/code><\/pre>\n<h2>3. \u5c06\u6570\u7ec4\u5143\u7d20\u79fb\u9664<\/h2>\n<p><strong>\u5f53\u6ee1\u8db3\u6761\u4ef6\u65f6\uff0c\u4f7f\u7528splice\u65b9\u6cd5\u5c06\u6570\u7ec4\u5185\u5143\u7d20\u79fb\u9664\uff0c\u4e5f\u80fd\u7ec8\u6b62forEach\u5faa\u73af<\/strong><\/p>\n<pre><code class=\"language-javascript\">const array = [ -3, -2, -1, 0, 1, 2, 3 ]\n\narray.forEach((it, i) =&gt; {\n  if (it &gt;= 0) {\n    console.log(it) \/\/ \u8f93\u51fa\uff1a0\n    array.splice(i + 1, array.length - i)\n  }\n})<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>1.\u629b\u51fa\u9519\u8bef const array = [ -3, -2, -1, 0, 1, 2, 3 ] try { a &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/yichenghui.net\/index.php\/2024\/06\/18\/%e5%a6%82%e4%bd%95%e7%bb%88%e6%ad%a2foreach%e5%be%aa%e7%8e%af\/\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">\u201c\u5982\u4f55\u7ec8\u6b62forEach\u5faa\u73af\u201d<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kadence_starter_templates_imported_post":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-283","post","type-post","status-publish","format-standard","hentry","category-javascript"],"_links":{"self":[{"href":"https:\/\/yichenghui.net\/index.php\/wp-json\/wp\/v2\/posts\/283","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/yichenghui.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/yichenghui.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/yichenghui.net\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/yichenghui.net\/index.php\/wp-json\/wp\/v2\/comments?post=283"}],"version-history":[{"count":0,"href":"https:\/\/yichenghui.net\/index.php\/wp-json\/wp\/v2\/posts\/283\/revisions"}],"wp:attachment":[{"href":"https:\/\/yichenghui.net\/index.php\/wp-json\/wp\/v2\/media?parent=283"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yichenghui.net\/index.php\/wp-json\/wp\/v2\/categories?post=283"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yichenghui.net\/index.php\/wp-json\/wp\/v2\/tags?post=283"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}