{"id":43851,"date":"2023-12-11T15:01:05","date_gmt":"2023-12-11T07:01:05","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=43851"},"modified":"2023-12-11T15:01:05","modified_gmt":"2023-12-11T07:01:05","slug":"%e5%a6%82%e4%bd%95%e8%87%aa%e5%b7%b1%e5%ae%9e%e7%8e%b0%e4%b8%80%e4%b8%aabind%e5%87%bd%e6%95%b0%ef%bc%9f-2","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/11\/%e5%a6%82%e4%bd%95%e8%87%aa%e5%b7%b1%e5%ae%9e%e7%8e%b0%e4%b8%80%e4%b8%aabind%e5%87%bd%e6%95%b0%ef%bc%9f-2\/","title":{"rendered":"\u5982\u4f55\u81ea\u5df1\u5b9e\u73b0\u4e00\u4e2abind\u51fd\u6570\uff1f"},"content":{"rendered":"

“`” \u53c2\u8003\u56de\u7b54\uff1a<\/p>\n

\u539f\u7406\uff1a\u901a\u8fc7apply\u6216\u8005call\u65b9\u6cd5\u6765\u5b9e\u73b0\u3002<\/p>\n

(1)\u521d\u59cb\u7248\u672c<\/p>\n

<pre><code class=""language-javascript"" lang=""javascript"">Function.prototype.bind=function(obj,arg){
\nvar arg=Array.prototype.slice.call(arguments,1);
\nvar context=this;
\nreturn function(newArg){
\narg=arg.concat(Array.prototype.slice.call(newArg));
\nreturn context.apply(obj,arg);
\n}
\n}
\n<\/code><\/pre><\/p>\n

(2) \u8003\u8651\u5230\u539f\u578b\u94fe<\/p>\n

\u4e3a\u4ec0\u4e48\u8981\u8003\u8651\uff1f\u56e0\u4e3a\u5728new \u4e00\u4e2abind\u8fc7\u751f\u6210\u7684\u65b0\u51fd\u6570\u7684\u65f6\u5019\uff0c\u5fc5\u987b\u7684\u6761\u4ef6\u662f\u8981\u7ee7\u627f\u539f\u51fd\u6570\u7684\u539f\u578b<\/p>\n

<pre><code class=""language-javascript"" lang=""javascript"">Function.prototype.bind=function(obj,arg){
\nvar arg=Array.prototype.slice.call(arguments,1);
\nvar context=this;
\nvar bound=function(newArg){
\narg=arg.concat(Array.prototype.slice.call(newArg));
\nreturn context.apply(obj,arg);
\n}
\nvar F=function(){}
\n<\/code><\/pre><\/p>\n

\/\/\u8fd9\u91cc\u9700\u8981\u4e00\u4e2a\u5bc4\u751f\u7ec4\u5408\u7ee7\u627f<\/p>\n

<pre><code class=""language-javascript"" lang=""javascript"">F.prototype=context.prototype;
\nbound.prototype=new F();
\nreturn bound;
\n}
\n<\/code><\/pre><\/p>\n

\u00a0<\/p>\n

<pre><code> "“`
\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"

“`” \u53c2\u8003\u56de\u7b54\uff1a \u539f\u7406\uff1a\u901a\u8fc7apply\u6216\u8005call\u65b9\u6cd5\u6765\u5b9e\u73b0\u3002 (1)\u521d\u59cb\u7248\u672c &l […]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-43851","post","type-post","status-publish","format-standard","hentry","category-c"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/43851","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\/7"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=43851"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/43851\/revisions"}],"predecessor-version":[{"id":43852,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/43851\/revisions\/43852"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=43851"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=43851"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=43851"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}