{"id":13472,"date":"2023-11-29T11:12:55","date_gmt":"2023-11-29T03:12:55","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=13472"},"modified":"2024-10-29T16:24:04","modified_gmt":"2024-10-29T08:24:04","slug":"qian-duan-mian-shi-tifunction-prototype-apply-he-f","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/29\/qian-duan-mian-shi-tifunction-prototype-apply-he-f\/","title":{"rendered":"\u524d\u7aef\u9762\u8bd5\u9898\uff1aFunction. prototype. apply \u548c Function. prototype.call \u4e4b\u95f4\u6709\u4ec0\u4e48\u533a\u522b\uff1f"},"content":{"rendered":"<p><code>apply ()<\/code>\u65b9\u6cd5\u53ef\u4ee5\u5728\u4f7f\u7528\u4e00\u4e2a\u6307\u5b9a\u7684<code>this<\/code>\u503c\u548c\u4e00\u4e2a\u53c2\u6570\u6570\u7ec4(\u6216\u7c7b\u6570\u7ec4\u5bf9\u8c61)\u7684\u524d\u63d0\u4e0b\u8c03\u7528 \u67d0\u4e2a\u51fd\u6570\u6216\u65b9\u6cd5\u3002<code>call()<\/code>\u65b9\u6cd5\u7c7b\u4f3c\u4e8e<code>apply()<\/code>,\u4e0d\u540c\u4e4b\u5904\u4ec5\u4ec5\u662f<code>call()<\/code>\u63a5\u53d7\u7684\u53c2\u6570\u662f\u53c2\u6570\u5217\u8868\u3002<\/p>\n<pre><code class=\"language-javascript line-numbers\">const obj1 = {\n    result\uff1a0\n};\nconst obj2 = {\n    result\uff1a0\n};\nfunction reduceAdd(){\n    let result = 0\uff1b\n    for(let i = 0, len = arguments.length\uff1b i &lt; len\uff1b i++) {\n        result += arguments[i]\uff1b\n    }\n    this. resuIt = result\uff1b\n}\nreduceAdd.apply(obj1, [1, 2t 3, 4, 5])\uff1b \/\/ 15\nreduceAdd.call(obj2, 1, 2, 3, 4, 5)\uff1b \/\/ 15\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>apply ()\u65b9\u6cd5\u53ef\u4ee5\u5728\u4f7f\u7528\u4e00\u4e2a\u6307\u5b9a\u7684this\u503c\u548c\u4e00\u4e2a\u53c2\u6570\u6570\u7ec4(\u6216\u7c7b\u6570\u7ec4\u5bf9\u8c61)\u7684\u524d\u63d0\u4e0b\u8c03\u7528 \u67d0\u4e2a\u51fd\u6570\u6216\u65b9\u6cd5\u3002 [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[103],"tags":[127],"class_list":["post-13472","post","type-post","status-publish","format-standard","hentry","category-qianduan","tag-127"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/13472","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\/8"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=13472"}],"version-history":[{"count":3,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/13472\/revisions"}],"predecessor-version":[{"id":48609,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/13472\/revisions\/48609"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=13472"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=13472"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=13472"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}