{"id":3406,"date":"2015-01-19T22:47:53","date_gmt":"2015-01-19T14:47:53","guid":{"rendered":"https:\/\/sdeno.com\/?p=3406"},"modified":"2015-01-19T22:54:53","modified_gmt":"2015-01-19T14:54:53","slug":"js%e4%bb%a3%e7%a0%81%e8%b0%83%e8%af%95try-catch-throw","status":"publish","type":"post","link":"https:\/\/sdeno.com\/?p=3406","title":{"rendered":"js\u4ee3\u7801\u8c03\u8bd5try catch throw"},"content":{"rendered":"<p>JS\u4ee3\u7801\u5199\u591a\u4e86\u51fa\u9519\u7684\u6982\u7387\u4e5f\u9ad8\uff0c\u4e00\u822c\u5e38\u7528\u7684\u4ee3\u7801\u8c03\u8bd5\u7ec4\u5408\u662ftry catch,\u4f8b\u5982<\/p>\n<pre>tyr{\r\n    \/\/\u628a\u53ef\u80fd\u4f1a\u51fa\u9519\u7684\u4ee3\u7801\u653e\u8fd9\u91cc\uff0c\u5982\u679c\u6ca1\u9519\u5c31\u7ee7\u7eed\u6267\u884c\u8df3\u8fc7catch\r\n }\r\n catch(e){\r\n    e.name+':'+e.message;\r\n    \u5982\u679ctry\u91cc\u9762\u7684\u4ee3\u7801\u51fa\u9519\u4e86\u5c31\u6267\u884c\u8fd9\u91cc,\u629b\u51fa\u9519\u8bef\u7684\u63d0\u793a\u4fe1\u606f\u3002\r\n }\r\n<\/pre>\n<p style=\"text-align: justify;\">EvalError \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u4ee5\u9519\u8bef\u7684\u65b9\u5f0f\u4f7f\u7528eval()\u51fd\u6570<\/p>\n<p style=\"text-align: justify;\">RangeErroe \u00a0 \u00a0 \u00a0 \u00a0 \u6570\u5b57\u53d8\u91cf\u6216\u8005\u53c2\u6570\u8d85\u51fa\u5141\u8bb8\u8303\u56f4<\/p>\n<p style=\"text-align: justify;\">ReferenceError \u00a0 \u4f7f\u7528\u4e0d\u5408\u6cd5\u7684\u5f15\u7528\u3002\u5982\u6ca1\u6709\u5b9a\u4e49\u7684\u53d8\u91cf<\/p>\n<p style=\"text-align: justify;\">SyntaxError \u00a0 \u00a0 \u00a0 \u00a0\u5728\u5bf9eval()\u4e2d\u7684\u4ee3\u7801\u8fdb\u884c\u8bed\u6cd5\u5206\u6790\u65f6\u53d1\u751f\u9519\u8bef<\/p>\n<p style=\"text-align: justify;\">TypeError \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u53d8\u91cf\u6216\u53c2\u6570\u7684\u7c7b\u578b\u9519\u8bef<\/p>\n<p style=\"text-align: justify;\">URIError \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0encodeURI()\u6216decodeURI()\u63a5\u6536\u5230\u4e0d\u5408\u6cd5\u7684\u53c2\u6570<\/p>\n<p style=\"text-align: justify;\">\u5bf9\u4e8ethrow\u7528\u6cd5\u662f\u7f16\u7a0b\u4eba\u5458\u81ea\u5b9a\u4e49\u9519\u8bef\u4fe1\u606f\u3002<\/p>\n<pre style=\"text-align: justify;\">var age=eval(prompt(\"\u8f93\u5165\u4f60\u7684\u5e74\u9f84\",\"\"));\r\ntry{\r\n  if(age&gt;120 || age&lt;0){\r\n    throw \"\u9519\u8bef1\";\r\n  }\r\n}\r\ncatch(e){\r\n   if(e==\"\u9519\u8bef1\"){\r\n       alert('\u9519\u8bef1\u4e86');\r\n   }\r\n}<\/pre>\n<p>\u4e2a\u4eba\u89c9\u5f97\u8fd8\u4e0d\u5982\u4f7f\u7528if else\u6bd4throw\u65b9\u4fbf\u7684\u591a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>JS\u4ee3\u7801\u5199\u591a\u4e86\u51fa\u9519\u7684\u6982\u7387\u4e5f\u9ad8\uff0c\u4e00\u822c\u5e38\u7528\u7684\u4ee3\u7801\u8c03\u8bd5\u7ec4\u5408\u662ftry catch,\u4f8b\u5982 tyr{ \/\/\u628a\u53ef\u80fd\u4f1a\u51fa\u9519\u7684\u4ee3 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26,11],"tags":[],"class_list":["post-3406","post","type-post","status-publish","format-standard","hentry","category-javascript","category-11"],"_links":{"self":[{"href":"https:\/\/sdeno.com\/index.php?rest_route=\/wp\/v2\/posts\/3406","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sdeno.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sdeno.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sdeno.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sdeno.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3406"}],"version-history":[{"count":0,"href":"https:\/\/sdeno.com\/index.php?rest_route=\/wp\/v2\/posts\/3406\/revisions"}],"wp:attachment":[{"href":"https:\/\/sdeno.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3406"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sdeno.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3406"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sdeno.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3406"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}