{"id":2726,"date":"2017-07-14T20:32:28","date_gmt":"2017-07-14T12:32:28","guid":{"rendered":"http:\/\/www.qdabc.cn\/?p=2726"},"modified":"2017-07-14T20:32:28","modified_gmt":"2017-07-14T12:32:28","slug":"es6-spread%e6%93%8d%e4%bd%9c%e7%ac%a6%e3%80%81rest%e6%93%8d%e4%bd%9c%e7%ac%a6%ef%bc%88-%ef%bc%89%e6%b5%85%e8%a7%a3","status":"publish","type":"post","link":"http:\/\/www.qdabc.cn\/?p=2726","title":{"rendered":"ES6 spread\u64cd\u4f5c\u7b26\u3001rest\u64cd\u4f5c\u7b26\uff08&#8230;\uff09\u6d45\u89e3"},"content":{"rendered":"<p><b>spread[\u6269\u5c55]<\/b><br \/>\n1\u3001\u5c06\u6570\u7ec4\u5c55\u5f00\u6210\u51fd\u6570\u7684\u591a\u4e2a\u53c2\u6570<br \/>\n\u4f20\u7edfapply\u65b9\u6cd5<\/p>\n<pre>function fn(x, y, z) {}\r\nvar args = [1, 2, 3];\r\nfn.apply(null,arg)<\/pre>\n<p>ES6-spread<\/p>\n<pre>function fn(x, y, z){}\r\nvar args = [1, 2, 3];\r\nfn(...args);<\/pre>\n<p>2. \u5408\u5e76\u6570\u7ec4<br \/>\n\u4f20\u7edf\u7684\u5408\u5e76\u4e24\u4e2a\u6570\u7ec4\u8981\u901a\u8fc7\u6570\u7ec4\u65b9\u6cd5concat\u3001splice\u3001push\u7b49\u65b9\u6cd5<br \/>\nES6-spread\u5408\u5e76\u6570\u7ec4<\/p>\n<pre>var parts = ['shoulder', 'knees'];\r\nvar lyrics = ['head', ...parts, 'and', 'toes'];<\/pre>\n<p>3. \u7c7b\u6570\u7ec4\u5bf9\u8c61\u8f6c\u6570\u7ec4<br \/>\narrayLike to array<\/p>\n<pre>var nodeList = document.querySelectorAll('div');\r\nvar array = [...nodeList];<\/pre>\n<p>4. \u6570\u7ec4\u6df1\u62f7\u8d1d<\/p>\n<pre>var arr = [1,2]\r\nvar arr2 = arr \/\/ arr === arr2\r\nvar arr3 = [...arr] \/\/ arr !== arr3<\/pre>\n<p>5. \u5b57\u7b26\u4e32\u8f6c\u6570\u7ec4<br \/>\n<b>rest[\u5269\u4f59]<\/b><br \/>\nfunction animals(&#8230;types){<br \/>\nconsole.log(types)<br \/>\n}<br \/>\nanimals(&#8216;cat&#8217;, &#8216;dog&#8217;, &#8216;fish&#8217;) \/\/[&#8220;cat&#8221;, &#8220;dog&#8221;, &#8220;fish&#8221;]\u603b\u7ed3:<br \/>\n\u5f53\u2026\u4f5c\u4e3a\u51fd\u6570\u5b9e\u53c2\u6216=\u53f7\u53f3\u4fa7\u65f6\u7528\u4f5cspread\u8fd0\u7b97\u7b26<br \/>\n\u5f53\u2026\u4f5c\u4e3a\u51fd\u6570\u5f62\u53c2\u6216=\u53f7\u5de6\u4fa7\u65f6\u7528\u4f5crest\u64cd\u4f5c\u7b26<\/p>\n<p>&nbsp;<\/p>\n<p class=\"post-copyright\">\u6b22\u8fce\u5206\u4eab\u672c\u6587\uff0c\u8f6c\u8f7d\u8bf7\u4fdd\u7559\u51fa\u5904\uff1a<a href=\"http:\/\/www.qdabc.cn\">\u524d\u7aefABC<\/a> &raquo; <a href=\"http:\/\/www.qdabc.cn\/?p=2726\">ES6 spread\u64cd\u4f5c\u7b26\u3001rest\u64cd\u4f5c\u7b26\uff08&#8230;\uff09\u6d45\u89e3<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>spread[\u6269\u5c55] 1\u3001\u5c06\u6570\u7ec4\u5c55\u5f00\u6210\u51fd\u6570\u7684\u591a\u4e2a\u53c2\u6570 \u4f20\u7edfapply\u65b9\u6cd5 function fn(x, y, z) {} var args = [1, 2, 3]; fn.apply(null,arg [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[143,388],"_links":{"self":[{"href":"http:\/\/www.qdabc.cn\/index.php?rest_route=\/wp\/v2\/posts\/2726"}],"collection":[{"href":"http:\/\/www.qdabc.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.qdabc.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.qdabc.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.qdabc.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2726"}],"version-history":[{"count":1,"href":"http:\/\/www.qdabc.cn\/index.php?rest_route=\/wp\/v2\/posts\/2726\/revisions"}],"predecessor-version":[{"id":2727,"href":"http:\/\/www.qdabc.cn\/index.php?rest_route=\/wp\/v2\/posts\/2726\/revisions\/2727"}],"wp:attachment":[{"href":"http:\/\/www.qdabc.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2726"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.qdabc.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2726"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.qdabc.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2726"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}