{"id":10099,"date":"2023-11-28T21:26:26","date_gmt":"2023-11-28T13:26:26","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=10099"},"modified":"2023-11-30T19:09:10","modified_gmt":"2023-11-30T11:09:10","slug":"javascript-zhongarguments-de-dui-xiang-shi-shen-me","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/javascript-zhongarguments-de-dui-xiang-shi-shen-me\/","title":{"rendered":"JavaScript \u4e2d arguments \u7684\u5bf9\u8c61\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"

\u5728 JavaScript \u4e2d\uff0carguments<\/code> \u662f\u4e00\u4e2a\u7c7b\u6570\u7ec4\u5bf9\u8c61\uff0c\u5b83\u4ee3\u8868\u4e86\u51fd\u6570\u8c03\u7528\u65f6\u4f20\u9012\u7ed9\u51fd\u6570\u7684\u53c2\u6570\u96c6\u5408\u3002\u5373\u4f7f\u51fd\u6570\u6ca1\u6709\u5b9a\u4e49\u5f62\u5f0f\u53c2\u6570\uff0carguments<\/code> \u5bf9\u8c61\u4e5f\u4f1a\u5728\u51fd\u6570\u5185\u90e8\u81ea\u52a8\u521b\u5efa\u5e76\u53ef\u7528\u3002<\/p>\n

arguments<\/code> \u5bf9\u8c61\u5177\u6709\u4ee5\u4e0b\u7279\u6027\uff1a<\/p>\n

    \n
  1. \n

    \u7c7b\u6570\u7ec4\u5bf9\u8c61\uff1a<\/strong> arguments<\/code> \u5bf9\u8c61\u7c7b\u4f3c\u4e8e\u6570\u7ec4\uff0c\u4f46\u5b83\u5e76\u975e\u662f\u4e00\u4e2a\u771f\u6b63\u7684\u6570\u7ec4\uff0c\u5b83\u5177\u6709\u6570\u503c\u7d22\u5f15\u548c length<\/code> \u5c5e\u6027\uff0c\u4f46\u4e0d\u5177\u5907\u6570\u7ec4\u7684\u65b9\u6cd5\uff0c\u5982 push()<\/code>\u3001pop()<\/code> \u7b49\u3002<\/p>\n<\/li>\n

  2. \n

    \u5305\u542b\u4f20\u9012\u7684\u53c2\u6570\uff1a<\/strong> arguments<\/code> \u5bf9\u8c61\u5305\u542b\u4e86\u51fd\u6570\u88ab\u8c03\u7528\u65f6\u4f20\u9012\u7684\u6240\u6709\u53c2\u6570\uff0c\u53ef\u4ee5\u901a\u8fc7\u7d22\u5f15\u8bbf\u95ee\u8fd9\u4e9b\u53c2\u6570\u3002\u7b2c\u4e00\u4e2a\u53c2\u6570\u53ef\u4ee5\u901a\u8fc7 arguments[0]<\/code>\u3001\u7b2c\u4e8c\u4e2a\u53c2\u6570\u53ef\u4ee5\u901a\u8fc7 arguments[1]<\/code>\uff0c\u4f9d\u6b64\u7c7b\u63a8\u3002<\/p>\n<\/li>\n

  3. \n

    \u52a8\u6001\u6027\uff1a<\/strong> arguments<\/code> \u5bf9\u8c61\u662f\u52a8\u6001\u7684\uff0c\u5373\u4f7f\u5728\u51fd\u6570\u5b9a\u4e49\u65f6\u6ca1\u6709\u660e\u786e\u6307\u5b9a\u53c2\u6570\uff0c\u4e5f\u53ef\u4ee5\u901a\u8fc7 arguments<\/code> \u83b7\u53d6\u5230\u4f20\u9012\u7ed9\u51fd\u6570\u7684\u53c2\u6570\u503c\u3002<\/p>\n<\/li>\n

  4. \n

    \u4e0d\u9002\u7528\u4e8e\u7bad\u5934\u51fd\u6570\uff1a<\/strong> \u7bad\u5934\u51fd\u6570\u4e0d\u652f\u6301 arguments<\/code> \u5bf9\u8c61\u3002<\/p>\n<\/li>\n<\/ol>\n

    \u793a\u4f8b\uff1a<\/p>\n

    function sum() {\n  let total = 0;\n  for (let i = 0; i < arguments.length; i++) {\n    total += arguments[i];\n  }\n  return total;\n}\n\nconsole.log(sum(1, 2, 3)); \/\/ \u8f93\u51fa\uff1a6\n<\/code><\/pre>\n
    \u5c3d\u7ba1\u73b0\u4ee3 JavaScript \u63a8\u8350\u4f7f\u7528 rest \u53c2\u6570\uff08...args<\/code>\uff09\u6216\u5c55\u5f00\u8fd0\u7b97\u7b26\u6765\u5904\u7406\u51fd\u6570\u53c2\u6570\uff0c\u4f46 arguments<\/code> \u5bf9\u8c61\u4ecd\u7136\u662f\u5728\u4e00\u4e9b\u65e7\u4ee3\u7801\u548c\u7279\u5b9a\u573a\u666f\u4e2d\u6709\u7528\u7684\u5de5\u5177\uff0c\u5b83\u63d0\u4f9b\u4e86\u4e00\u79cd\u83b7\u53d6\u4f20\u9012\u7ed9\u51fd\u6570\u7684\u53c2\u6570\u7684\u65b9\u6cd5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u5728 JavaScript \u4e2d\uff0carguments \u662f\u4e00\u4e2a\u7c7b\u6570\u7ec4\u5bf9\u8c61\uff0c\u5b83\u4ee3\u8868\u4e86\u51fd\u6570\u8c03\u7528\u65f6\u4f20\u9012\u7ed9\u51fd\u6570\u7684\u53c2\u6570\u96c6\u5408\u3002\u5373 […]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[115],"tags":[],"class_list":["post-10099","post","type-post","status-publish","format-standard","hentry","category-javascript"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/10099","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=10099"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/10099\/revisions"}],"predecessor-version":[{"id":13674,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/10099\/revisions\/13674"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=10099"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=10099"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=10099"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}