“`” \u53c2\u8003\u56de\u7b54\uff1a<\/p>\n
<a class=""url"" href=""http:\/\/www.cnblogs.com\/coco1s\/p\/5499469.html"" target=""_blank"">http:\/\/www.cnblogs.com\/coco1s\/p\/5499469.html<\/a><\/p>\n
\u53c2\u8003\u56de\u7b54\uff1a<\/p>\n
\u5fc5\u8981\u6027\uff1a\u7531\u4e8e\u5b57\u7b26\u4e32\u3001\u5bf9\u8c61\u548c\u6570\u7ec4\u6ca1\u6709\u56fa\u5b9a\u5927\u5c0f\uff0c\u6240\u6709\u5f53\u4ed6\u4eec\u7684\u5927\u5c0f\u5df2\u77e5\u65f6\uff0c\u624d\u80fd\u5bf9\u4ed6\u4eec\u8fdb\u884c\u52a8\u6001\u7684\u5b58\u50a8\u5206\u914d\u3002JavaScript\u7a0b\u5e8f\u6bcf\u6b21\u521b\u5efa\u5b57\u7b26\u4e32\u3001\u6570\u7ec4\u6216\u5bf9\u8c61\u65f6\uff0c\u89e3\u91ca\u5668\u90fd\u5fc5\u987b\u5206\u914d\u5185\u5b58\u6765\u5b58\u50a8\u90a3\u4e2a\u5b9e\u4f53\u3002\u53ea\u8981\u50cf\u8fd9\u6837\u52a8\u6001\u5730\u5206\u914d\u4e86\u5185\u5b58\uff0c\u6700\u7ec8\u90fd\u8981\u91ca\u653e\u8fd9\u4e9b\u5185\u5b58\u4ee5\u4fbf\u4ed6\u4eec\u80fd\u591f\u88ab\u518d\u7528\uff0c\u5426\u5219\uff0cJavaScript\u7684\u89e3\u91ca\u5668\u5c06\u4f1a\u6d88\u8017\u5b8c\u7cfb\u7edf\u4e2d\u6240\u6709\u53ef\u7528\u7684\u5185\u5b58\uff0c\u9020\u6210\u7cfb\u7edf\u5d29\u6e83\u3002<\/p>\n
\u8fd9\u6bb5\u8bdd\u89e3\u91ca\u4e86\u4e3a\u4ec0\u4e48\u9700\u8981\u7cfb\u7edf\u9700\u8981\u5783\u573e\u56de\u6536\uff0cJS\u4e0d\u50cfC\/C++\uff0c\u4ed6\u6709\u81ea\u5df1\u7684\u4e00\u5957\u5783\u573e\u56de\u6536\u673a\u5236\uff08Garbage Collection\uff09\u3002JavaScript\u7684\u89e3\u91ca\u5668\u53ef\u4ee5\u68c0\u6d4b\u5230\u4f55\u65f6\u7a0b\u5e8f\u4e0d\u518d\u4f7f\u7528\u4e00\u4e2a\u5bf9\u8c61\u4e86\uff0c\u5f53\u4ed6\u786e\u5b9a\u4e86\u4e00\u4e2a\u5bf9\u8c61\u662f\u65e0\u7528\u7684\u65f6\u5019\uff0c\u4ed6\u5c31\u77e5\u9053\u4e0d\u518d\u9700\u8981\u8fd9\u4e2a\u5bf9\u8c61\uff0c\u53ef\u4ee5\u628a\u5b83\u6240\u5360\u7528\u7684\u5185\u5b58\u91ca\u653e\u6389\u4e86\u3002\u4f8b\u5982\uff1a<\/p>\n
<pre><code>var a=""hello world"";
\nvar b=""world"";
\nvar a=b;
\n<\/code><\/pre><\/p>\n
\/\/\u8fd9\u65f6\uff0c\u4f1a\u91ca\u653e\u6389""hello world""\uff0c\u91ca\u653e\u5185\u5b58\u4ee5\u4fbf\u518d\u5f15\u7528<\/p>\n
\u5783\u573e\u56de\u6536\u7684\u65b9\u6cd5\uff1a\u6807\u8bb0\u6e05\u9664\u3001\u8ba1\u6570\u5f15\u7528\u3002<\/p>\n
\u6807\u8bb0\u6e05\u9664<\/p>\n
\u8fd9\u662f\u6700\u5e38\u89c1\u7684\u5783\u573e\u56de\u6536\u65b9\u5f0f\uff0c\u5f53\u53d8\u91cf\u8fdb\u5165\u73af\u5883\u65f6\uff0c\u5c31\u6807\u8bb0\u8fd9\u4e2a\u53d8\u91cf\u4e3a\u201d\u8fdb\u5165\u73af\u5883\u201c,\u4ece\u903b\u8f91\u4e0a\u8bb2\uff0c\u6c38\u8fdc\u4e0d\u80fd\u91ca\u653e\u8fdb\u5165\u73af\u5883\u7684\u53d8\u91cf\u6240\u5360\u7684\u5185\u5b58\uff0c\u6c38\u8fdc\u4e0d\u80fd\u91ca\u653e\u8fdb\u5165\u73af\u5883\u53d8\u91cf\u6240\u5360\u7528\u7684\u5185\u5b58\uff0c\u53ea\u8981\u6267\u884c\u6d41\u7a0b\u8fdb\u5165\u76f8\u5e94\u7684\u73af\u5883\uff0c\u5c31\u53ef\u80fd\u7528\u5230\u4ed6\u4eec\u3002\u5f53\u79bb\u5f00\u73af\u5883\u65f6\uff0c\u5c31\u6807\u8bb0\u4e3a\u79bb\u5f00\u73af\u5883\u3002<\/p>\n
\u5783\u573e\u56de\u6536\u5668\u5728\u8fd0\u884c\u7684\u65f6\u5019\u4f1a\u7ed9\u5b58\u50a8\u5728\u5185\u5b58\u4e2d\u7684\u53d8\u91cf\u90fd\u52a0\u4e0a\u6807\u8bb0\uff08\u6240\u6709\u90fd\u52a0\uff09\uff0c\u7136\u540e\u53bb\u6389\u73af\u5883\u53d8\u91cf\u4e2d\u7684\u53d8\u91cf\uff0c\u4ee5\u53ca\u88ab\u73af\u5883\u53d8\u91cf\u4e2d\u7684\u53d8\u91cf\u6240\u5f15\u7528\u7684\u53d8\u91cf\uff08\u6761\u4ef6\u6027\u53bb\u9664\u6807\u8bb0\uff09\uff0c\u5220\u9664\u6240\u6709\u88ab\u6807\u8bb0\u7684\u53d8\u91cf\uff0c\u5220\u9664\u7684\u53d8\u91cf\u65e0\u6cd5\u5728\u73af\u5883\u53d8\u91cf\u4e2d\u88ab\u8bbf\u95ee\u6240\u4ee5\u4f1a\u88ab\u5220\u9664\uff0c\u6700\u540e\u5783\u573e\u56de\u6536\u5668\uff0c\u5b8c\u6210\u4e86\u5185\u5b58\u7684\u6e05\u9664\u5de5\u4f5c\uff0c\u5e76\u56de\u6536\u4ed6\u4eec\u6240\u5360\u7528\u7684\u5185\u5b58\u3002<\/p>\n
\u5f15\u7528\u8ba1\u6570\u6cd5<\/p>\n
\u53e6\u4e00\u79cd\u4e0d\u592a\u5e38\u89c1\u7684\u65b9\u6cd5\u5c31\u662f\u5f15\u7528\u8ba1\u6570\u6cd5\uff0c\u5f15\u7528\u8ba1\u6570\u6cd5\u7684\u610f\u601d\u5c31\u662f\u6bcf\u4e2a\u503c\u6ca1\u5f15\u7528\u7684\u6b21\u6570\uff0c\u5f53\u58f0\u660e\u4e86\u4e00\u4e2a\u53d8\u91cf\uff0c\u5e76\u7528\u4e00\u4e2a\u5f15\u7528\u7c7b\u578b\u7684\u503c\u8d4b\u503c\u7ed9\u6539\u53d8\u91cf\uff0c\u5219\u8fd9\u4e2a\u503c\u7684\u5f15\u7528\u6b21\u6570\u4e3a1,\uff1b\u76f8\u53cd\u7684\uff0c\u5982\u679c\u5305\u542b\u4e86\u5bf9\u8fd9\u4e2a\u503c\u5f15\u7528\u7684\u53d8\u91cf\u53c8\u53d6\u5f97\u4e86\u53e6\u5916\u4e00\u4e2a\u503c\uff0c\u5219\u539f\u5148\u7684\u5f15\u7528\u503c\u5f15\u7528\u6b21\u6570\u5c31\u51cf1\uff0c\u5f53\u8fd9\u4e2a\u503c\u7684\u5f15\u7528\u6b21\u6570\u4e3a0\u7684\u65f6\u5019\uff0c\u8bf4\u660e\u6ca1\u6709\u529e\u6cd5\u518d\u8bbf\u95ee\u8fd9\u4e2a\u503c\u4e86\uff0c\u56e0\u6b64\u5c31\u628a\u6240\u5360\u7684\u5185\u5b58\u7ed9\u56de\u6536\u8fdb\u6765\uff0c\u8fd9\u6837\u5783\u573e\u6536\u96c6\u5668\u518d\u6b21\u8fd0\u884c\u7684\u65f6\u5019\uff0c\u5c31\u4f1a\u91ca\u653e\u5f15\u7528\u6b21\u6570\u4e3a0\u7684\u8fd9\u4e9b\u503c\u3002<\/p>\n
\u7528\u5f15\u7528\u8ba1\u6570\u6cd5\u4f1a\u5b58\u5728\u5185\u5b58\u6cc4\u9732\uff0c\u4e0b\u9762\u6765\u770b\u539f\u56e0\uff1a<\/p>\n
<pre><code>function problem() {
\nvar objA = new Object();
\nvar objB = new Object();
\nobjA.someOtherObject = objB;
\nobjB.anotherObject = objA;
\n}
\n<\/code><\/pre><\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u91cc\u9762\uff0cobjA\u548cobjB\u901a\u8fc7\u5404\u81ea\u7684\u5c5e\u6027\u76f8\u4e92\u5f15\u7528\uff0c\u8fd9\u6837\u7684\u8bdd\uff0c\u4e24\u4e2a\u5bf9\u8c61\u7684\u5f15\u7528\u6b21\u6570\u90fd\u4e3a2\uff0c\u5728\u91c7\u7528\u5f15\u7528\u8ba1\u6570\u7684\u7b56\u7565\u4e2d\uff0c\u7531\u4e8e\u51fd\u6570\u6267\u884c\u4e4b\u540e\uff0c\u8fd9\u4e24\u4e2a\u5bf9\u8c61\u90fd\u79bb\u5f00\u4e86\u4f5c\u7528\u57df\uff0c\u51fd\u6570\u6267\u884c\u5b8c\u6210\u4e4b\u540e\uff0c\u56e0\u4e3a\u8ba1\u6570\u4e0d\u4e3a0\uff0c\u8fd9\u6837\u7684\u76f8\u4e92\u5f15\u7528\u5982\u679c\u5927\u91cf\u5b58\u5728\u5c31\u4f1a\u5bfc\u81f4\u5185\u5b58\u6cc4\u9732\u3002<\/p>\n
\u7279\u522b\u662f\u5728DOM\u5bf9\u8c61\u4e2d\uff0c\u4e5f\u5bb9\u6613\u5b58\u5728\u8fd9\u79cd\u95ee\u9898\uff1a<\/p>\n
<pre><code>var element=document.getElementById\uff08\u2019\u2018\uff09\uff1b
\nvar myObj=new Object();
\nmyObj.element=element;
\nelement.someObject=myObj;
\n<\/code><\/pre><\/p>\n
\u8fd9\u6837\u5c31\u4e0d\u4f1a\u6709\u5783\u573e\u56de\u6536\u7684\u8fc7\u7a0b\u3002<\/p>\n
<pre><code> "“`
\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
“`” \u53c2\u8003\u56de\u7b54\uff1a <a class=""url" […]<\/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-43826","post","type-post","status-publish","format-standard","hentry","category-c"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/43826","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=43826"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/43826\/revisions"}],"predecessor-version":[{"id":43827,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/43826\/revisions\/43827"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=43826"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=43826"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=43826"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}