{"id":4022,"date":"2024-11-10T09:44:40","date_gmt":"2024-11-10T01:44:40","guid":{"rendered":"https:\/\/fwq.ai\/blog\/4022\/"},"modified":"2024-11-10T09:44:40","modified_gmt":"2024-11-10T01:44:40","slug":"jquery%e7%bb%99%e4%b8%8b%e6%8b%89%e6%a1%86%e8%b5%8b%e5%80%bc%e4%b8%ba%e4%bd%95%e6%97%a0%e6%b3%95%e8%a7%a6%e5%8f%91change%e4%ba%8b%e4%bb%b6%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/4022\/","title":{"rendered":"jQuery\u7ed9\u4e0b\u62c9\u6846\u8d4b\u503c\u4e3a\u4f55\u65e0\u6cd5\u89e6\u53d1change\u4e8b\u4ef6\uff1f"},"content":{"rendered":"

\"jQuery\u7ed9\u4e0b\u62c9\u6846\u8d4b\u503c\u4e3a\u4f55\u65e0\u6cd5\u89e6\u53d1change\u4e8b\u4ef6\uff1f\u63d2\u56fe\"<\/p>\n

jquery\u65e0\u6cd5\u89e6\u53d1\u4e0b\u62c9\u6846change\u4e8b\u4ef6<\/strong><\/p>\n

\u5728\u4e00\u4efd\u9875\u9762\u4e2d\uff0c\u6709\u4e09\u4e2a\u4e09\u7ea7\u8054\u52a8\u4e0b\u62c9\u6846\u3002\u5f00\u53d1\u8005\u5c1d\u8bd5\u4f7f\u7528jquery\u7ed9\u7701\u4e0b\u62c9\u6846\u8d4b\u503c\uff0c\u4f46\u53d1\u73b0\u5e02\u4e0b\u62c9\u6846\u672a\u6309\u9884\u671f\u8054\u52a8\u3002\u800c\u624b\u52a8\u66f4\u6539\u7701\u4e0b\u62c9\u6846\u9009\u9879\u65f6\uff0c\u5e02\u4e0b\u62c9\u6846\u53ef\u4ee5\u6b63\u5e38\u8054\u52a8\u3002\u8fd9\u662f\u600e\u4e48\u56de\u4e8b\uff1f<\/p>\n

\u7531\u4e8e\u8be5\u9875\u9762\u65e0\u6cd5\u76f4\u63a5\u4fee\u6539\uff0c\u5f00\u53d1\u8005\u9700\u8981\u5728\u65e0\u4fb5\u5165\u7684\u60c5\u51b5\u4e0b\u901a\u8fc7\u4ee3\u7801\u7ed9\u7701\u5e02\u533a\u8d4b\u503c\u3002\u7ecf\u8fc7\u6392\u67e5\uff0c\u53d1\u73b0ie\u63a7\u5236\u53f0\u4e0b\u7684jquery\u8d4b\u503c\u64cd\u4f5c\u65e0\u6cd5\u89e6\u53d1\u4e0b\u62c9\u6846\u7684change\u4e8b\u4ef6\uff0c\u4ece\u800c\u5bfc\u81f4\u5e02\u4e0b\u62c9\u6846\u65e0\u6cd5\u8054\u52a8\u3002<\/p>\n

\u89e3\u51b3\u65b9\u6848<\/strong><\/p>\n

\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u53ef\u4ee5\u4f7f\u7528\u539f\u751fjavascript\u4ee3\u7801\u624b\u52a8\u89e6\u53d1change\u4e8b\u4ef6\u3002\u5177\u4f53\u6b65\u9aa4\u5982\u4e0b\uff1a<\/p>\n

    \n
  1. \u521b\u5efa\u4e00\u4e2ahtmlevents\u4e8b\u4ef6\u5bf9\u8c61\uff08evt\uff09\uff1a<\/li>\n<\/ol>\n
    let evt = document.createevent('htmlevents');<\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
      \n
    1. \u521d\u59cb\u5316change\u4e8b\u4ef6\uff08\u5047\u5192\u9875\u9762\u4e0b\u62c9\u6846\u7684change\u4e8b\u4ef6\uff09\uff1a<\/li>\n<\/ol>\n
      evt.initevent('change', false, true);<\/pre>\n
        \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
        \n
      1. \u89e6\u53d1\u4e0b\u62c9\u6846\u7684change\u4e8b\u4ef6\uff1a<\/li>\n<\/ol>\n
        select.dispatchEvent(evt);<\/pre>\n
          \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
        \u5176\u4e2d\uff0cselect\u662f\u9700\u8981\u89e6\u53d1change\u4e8b\u4ef6\u7684\u4e0b\u62c9\u6846\u5143\u7d20\u3002<\/p>\n
        \u901a\u8fc7\u4ee5\u4e0a\u6b65\u9aa4\uff0c\u53ef\u4ee5\u624b\u52a8\u89e6\u53d1\u4e0b\u62c9\u6846\u7684change\u4e8b\u4ef6\uff0c\u4ece\u800c\u89e3\u51b3\u56e0jquery\u8d4b\u503c\u65e0\u6cd5\u89e6\u53d1change\u4e8b\u4ef6\u800c\u5bfc\u81f4\u7684\u8054\u52a8\u95ee\u9898\u3002<\/p>\n
        \u4ee5\u4e0a\u5c31\u662fjQuery\u7ed9\u4e0b\u62c9\u6846\u8d4b\u503c\u4e3a\u4f55\u65e0\u6cd5\u89e6\u53d1change\u4e8b\u4ef6\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
        jquery\u65e0\u6cd5\u89e6\u53d1\u4e0b\u62c9\u6846change\u4e8b\u4ef6 \u5728\u4e00\u4efd\u9875\u9762\u4e2d\uff0c\u6709\u4e09\u4e2a\u4e09\u7ea7\u8054\u52a8\u4e0b\u62c9\u6846\u3002\u5f00\u53d1\u8005\u5c1d\u8bd5\u4f7f\u7528jquery\u7ed9\u7701\u4e0b\u62c9\u6846\u8d4b\u503c\uff0c\u4f46\u53d1\u73b0\u5e02\u4e0b\u62c9\u6846\u672a\u6309\u9884\u671f\u8054\u52a8\u3002\u800c\u624b\u52a8\u66f4\u6539\u7701\u4e0b\u62c9\u6846\u9009\u9879\u65f6\uff0c\u5e02\u4e0b\u62c9\u6846\u53ef\u4ee5\u6b63\u5e38\u8054\u52a8\u3002\u8fd9\u662f\u600e\u4e48\u56de\u4e8b\uff1f \u7531\u4e8e\u8be5\u9875\u9762\u65e0\u6cd5\u76f4\u63a5\u4fee\u6539\uff0c\u5f00\u53d1\u8005\u9700\u8981\u5728\u65e0\u4fb5\u5165\u7684\u60c5\u51b5\u4e0b\u901a\u8fc7\u4ee3\u7801\u7ed9\u7701\u5e02\u533a\u8d4b\u503c\u3002\u7ecf\u8fc7\u6392\u67e5\uff0c\u53d1\u73b0ie\u63a7\u5236\u53f0\u4e0b\u7684jquery\u8d4b\u503c\u64cd\u4f5c\u65e0\u6cd5\u89e6\u53d1\u4e0b\u62c9\u6846\u7684change\u4e8b\u4ef6\uff0c\u4ece\u800c\u5bfc\u81f4\u5e02\u4e0b\u62c9\u6846\u65e0\u6cd5\u8054\u52a8\u3002 \u89e3\u51b3\u65b9\u6848 \u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u53ef\u4ee5\u4f7f\u7528\u539f\u751fjavascript\u4ee3\u7801\u624b\u52a8\u89e6\u53d1change\u4e8b\u4ef6\u3002\u5177\u4f53\u6b65\u9aa4\u5982\u4e0b\uff1a \u521b\u5efa\u4e00\u4e2ahtmlevents\u4e8b\u4ef6\u5bf9\u8c61\uff08evt\uff09\uff1a let evt = document.createevent(‘htmlevents’); \u767b\u5f55\u540e\u590d\u5236 \u521d\u59cb\u5316change\u4e8b\u4ef6\uff08\u5047\u5192\u9875\u9762\u4e0b\u62c9\u6846\u7684change\u4e8b\u4ef6\uff09\uff1a evt.initevent(‘change’, false, true); \u767b\u5f55\u540e\u590d\u5236 \u89e6\u53d1\u4e0b\u62c9\u6846\u7684change\u4e8b\u4ef6\uff1a select.dispatchEvent(evt); \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff0cselect\u662f\u9700\u8981\u89e6\u53d1change\u4e8b\u4ef6\u7684\u4e0b\u62c9\u6846\u5143\u7d20\u3002 \u901a\u8fc7\u4ee5\u4e0a\u6b65\u9aa4\uff0c\u53ef\u4ee5\u624b\u52a8\u89e6\u53d1\u4e0b\u62c9\u6846\u7684change\u4e8b\u4ef6\uff0c\u4ece\u800c\u89e3\u51b3\u56e0jquery\u8d4b\u503c\u65e0\u6cd5\u89e6\u53d1change\u4e8b\u4ef6\u800c\u5bfc\u81f4\u7684\u8054\u52a8\u95ee\u9898\u3002 \u4ee5\u4e0a\u5c31\u662fjQuery\u7ed9\u4e0b\u62c9\u6846\u8d4b\u503c\u4e3a\u4f55\u65e0\u6cd5\u89e6\u53d1change\u4e8b\u4ef6\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-4022","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/4022","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=4022"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/4022\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=4022"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=4022"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=4022"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}