{"id":12716,"date":"2021-06-14T09:02:05","date_gmt":"2021-06-14T14:02:05","guid":{"rendered":"httpss:\/\/www.powenko.com\/wordpress\/docs\/javascript\/%e5%ad%97%e4%b8%b2\/%e5%ad%97%e4%b8%b2%e9%95%b7%e5%ba%a6%e3%80%80str-length\/"},"modified":"2021-06-14T09:02:41","modified_gmt":"2021-06-14T14:02:41","slug":"%e5%ad%97%e4%b8%b2%e9%95%b7%e5%ba%a6%e3%80%80str-length","status":"publish","type":"docs","link":"https:\/\/www.powenko.com\/wordpress\/?docs=javascript\/%e5%ad%97%e4%b8%b2\/%e5%ad%97%e4%b8%b2%e9%95%b7%e5%ba%a6%e3%80%80str-length","title":{"rendered":"\u5b57\u4e32\u9577\u5ea6\u3000str.length"},"content":{"rendered":"<pre class=\"brush: plain; title: ; notranslate\" title=\"\">\r\n&lt;!DOCTYPE html&gt;\r\n&lt;html&gt;\r\n&lt;body&gt;\r\n\r\n&lt;p&gt;Click the button to return the number of characters in the string &quot;Hello World!&quot;.&lt;\/p&gt;\r\n\r\n&lt;button onclick=&quot;myFunction()&quot;&gt;Try it&lt;\/button&gt;\r\n\r\n&lt;p id=&quot;demo&quot;&gt;&lt;\/p&gt;\r\n\r\n&lt;script&gt;\r\nfunction myFunction() {\r\n  var str = &quot;Hello World!&quot;;\r\n  var n = str.length;\r\n  document.getElementById(&quot;demo&quot;).innerHTML = n;\r\n}\r\n&lt;\/script&gt;\r\n\r\n&lt;\/body&gt;\r\n&lt;\/html&gt;\r\n\r\n\r\n<\/pre>\n","protected":false},"featured_media":0,"parent":12468,"menu_order":3,"comment_status":"closed","ping_status":"closed","template":"","doc_tag":[],"class_list":["post-12716","docs","type-docs","status-publish","hentry"],"comment_count":0,"_links":{"self":[{"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=\/wp\/v2\/docs\/12716"}],"collection":[{"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=\/wp\/v2\/docs"}],"about":[{"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/docs"}],"replies":[{"embeddable":true,"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=12716"}],"version-history":[{"count":1,"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=\/wp\/v2\/docs\/12716\/revisions"}],"predecessor-version":[{"id":12717,"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=\/wp\/v2\/docs\/12716\/revisions\/12717"}],"up":[{"embeddable":true,"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=\/wp\/v2\/docs\/12468"}],"next":[{"title":"\u5b57\u4e32\u66ff\u63db\u3000replace","link":"https:\/\/www.powenko.com\/wordpress\/?docs=javascript\/%e5%ad%97%e4%b8%b2\/%e5%ad%97%e4%b8%b2%e6%9b%bf%e6%8f%9b%e3%80%80replace","href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=\/wp\/v2\/docs\/12718"}],"prev":[{"title":"substring \u53d6\u5f97\u90e8\u5206\u5b57\u4e32","link":"https:\/\/www.powenko.com\/wordpress\/?docs=javascript\/%e5%ad%97%e4%b8%b2\/substring-%e5%8f%96%e5%be%97%e9%83%a8%e5%88%86%e8%b3%87%e6%96%99","href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=\/wp\/v2\/docs\/12711"}],"wp:attachment":[{"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=12716"}],"wp:term":[{"taxonomy":"doc_tag","embeddable":true,"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fdoc_tag&post=12716"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}