{"id":159269,"date":"2012-11-19T13:30:03","date_gmt":"2012-11-19T09:30:03","guid":{"rendered":"http:\/\/savepearlharbor.com\/?p=159269"},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-29T21:00:00","slug":"","status":"publish","type":"post","link":"https:\/\/savepearlharbor.com\/?p=159269","title":{"rendered":"<span class=\"post_title\">SteelToe \u2014 object, \u043d\u0435 \u0441\u0442\u0440\u0435\u043b\u044f\u0439 \u043c\u043d\u0435 \u0432 \u043d\u043e\u0433\u0443!<\/span>"},"content":{"rendered":"<div class=\"content html_format\">   \t<img decoding=\"async\" src=\"http:\/\/habrastorage.org\/storage2\/495\/5c6\/2cb\/4955c62cb9d4c8d2c2f4147b8e5ea4eb.jpg\" align=\"left\"\/> <b>SteelToe <\/b> \u2014 \u043d\u0435\u0431\u043e\u043b\u044c\u0448\u0430\u044f javascript \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430, \u043f\u0440\u0438\u0437\u0432\u0430\u043d\u043d\u0430\u044f \u0440\u0435\u0448\u0438\u0442\u044c \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0443 \u0434\u043e\u0441\u0442\u0443\u043f\u0430 \u043a \u043d\u0435\u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043d\u044b\u043c \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u0430\u043c \u043e\u0431\u044a\u0435\u043a\u0442\u0430. \u042d\u0442\u043e \u043e\u0441\u043e\u0431\u0435\u043d\u043d\u043e \u0432\u0430\u0436\u043d\u043e \u043f\u0440\u0438 \u043e\u0431\u0440\u0430\u0449\u0435\u043d\u0438\u0438 \u043a\u043e \u0432\u043b\u043e\u0436\u0435\u043d\u043d\u044b\u043c \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u0430\u043c. \u0412 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0435 \u0442\u0430\u043a\u0436\u0435 \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u0430 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0430\u0432\u0442\u043e\u0432\u0438\u0432\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438, \u0447\u0442\u043e \u043f\u043e\u0440\u044f\u0434\u043a\u043e\u043c \u0443\u043f\u0440\u043e\u0449\u0430\u0435\u0442 \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u0435 \u043d\u0443\u0436\u043d\u044b\u0445 \u0441\u0432\u043e\u0439\u0441\u0442\u0432. \u0412 \u043e\u0431\u0449\u0435\u043c \u2014 \u0434\u043e\u0432\u043e\u043b\u044c\u043d\u043e \u043f\u043e\u043b\u0435\u0437\u043d\u044b\u0439 \u0441\u0430\u0445\u0430\u0440 \u0432 OOP.<br \/>  <a name=\"habracut\"><\/a><br \/>  <br clear=\"all\"\/>  <br clear=\"all\"\/>  <br clear=\"all\"\/>  <\/p>\n<h4>\u041f\u043e\u043b\u0443\u0447\u0435\u043d\u0438\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0439<\/h4>\n<p>  <\/p>\n<h6>\u041f\u0435\u0440\u0432\u044b\u0439 \u0441\u043f\u043e\u0441\u043e\u0431<\/h6>\n<p>  <\/p>\n<pre><code class=\"javascript\">var object = { info: { name: { first: 'Jonathan', last: 'Clem' } } }  steelToe(object)('info')('name')('last')();           \/\/ 'Clem' steelToe(object)('info')('features')('hairColor')();  \/\/ undefined <\/code><\/pre>\n<p>  <\/p>\n<h6>\u0412\u0442\u043e\u0440\u043e\u0439 \u0441\u043f\u043e\u0441\u043e\u0431<\/h6>\n<p>  <\/p>\n<pre><code class=\"javascript\">var object = { info: { name: { first: 'Jonathan', last: 'Clem' } } }  steelToe(object).walk('info.name.last');          \/\/ 'Clem' steelToe(object).walk('info.features.hairColor'); \/\/ undefined <\/code><\/pre>\n<h4>\u041e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0439<\/h4>\n<p>  <\/p>\n<pre><code class=\"javascript\">var jonathan = { info: { name: { first: 'Jonathan', last: 'Clem' } } },  steelToe(jonathan).set('info.name.middle', 'Tyler'); steelToe(jonathan).set('info.favorites.movie', 'Harold & Maude');  jonathan.info.name.middle; \/\/ Tyler jonathan.info.favorites.movie; \/\/ Harold & Maude <\/code><\/pre>\n<h4>\u0427\u0442\u043e \u0436\u0435 \u0442\u0443\u0442 \u043f\u0440\u043e\u0438\u0441\u0445\u043e\u0434\u0438\u0442<\/h4>\n<p>  \u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u044c\u0442\u0435 \u2014 \u0443 \u0432\u0430\u0441 \u0435\u0441\u0442\u044c \u0441\u043b\u043e\u0436\u043d\u044b\u0439 Javascript \u043e\u0431\u044a\u0435\u043a\u0442, \u0441 \u0431\u043e\u043b\u044c\u0448\u043e\u0439 \u0432\u043b\u043e\u0436\u0435\u043d\u043d\u043e\u0441\u0442\u044c\u044e \u0441\u0432\u043e\u0439\u0441\u0442\u0432, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0432\u044b, \u0434\u043e\u043f\u0443\u0441\u0442\u0438\u043c, \u043f\u043e\u043b\u0443\u0447\u0438\u043b\u0438 \u0438\u0437 JSON. \u0418, \u043a \u043f\u0440\u0438\u043c\u0435\u0440\u0443, \u0432\u0430\u043c \u0442\u0440\u0435\u0431\u0443\u0435\u0442\u0441\u044f \u0441\u0434\u0435\u043b\u0430\u0442\u044c \u0447\u0442\u043e-\u0442\u043e \u0442\u0438\u043f\u0430 \u0442\u0430\u043a\u043e\u0433\u043e:<\/p>\n<pre><code class=\"javascript\">var fatherFirstNames = [];  for (var i = 0; i &lt; families.length; i ++) {   var first = families[i].father.info.name.first;    if (first) {     fatherFirstNames.push(first);   } }  \/\/ TypeError: 'undefined' is not an object (evaluating 'family.father.info.name.first') <\/code><\/pre>\n<p>   \u2014 \u0411\u043b\u0438\u0438\u0438\u043d!, \u0441\u043a\u0430\u0436\u0435\u0442\u0435 \u0432\u044b \u2014 \u0442\u0443\u043f\u043e\u0439 \u0432\u044b\u0441\u0442\u0440\u0435\u043b \u0432 \u043d\u043e\u0433\u0443! \u0423 \u0432\u0430\u0441 \u0437\u0430\u043f\u0440\u043e\u0441\u0442\u043e \u043c\u043e\u0436\u0435\u0442 \u0432\u044b\u0432\u0430\u043b\u0438\u0442\u044c\u0441\u044f \u043e\u0448\u0438\u0431\u043a\u0430 <code>TypeError<\/code>, \u0442.\u043a. \u043d\u0438\u0447\u0442\u043e \u043d\u0435 \u0433\u0430\u0440\u0430\u043d\u0442\u0438\u0440\u0443\u0435\u0442, \u0447\u0442\u043e \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u043e <code>father<\/code> \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043e, \u0438\u043b\u0438 \u0443 \u043d\u0435\u0433\u043e \u0435\u0441\u0442\u044c \u0442\u0440\u0435\u0431\u0443\u0435\u043c\u044b\u0435 \u0432\u0430\u043c \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u0430. \u041e\u0431\u044b\u0447\u043d\u043e, \u0447\u0442\u043e\u0431\u044b \u043f\u0440\u0435\u0434\u0443\u043f\u0440\u0435\u0434\u0438\u0442\u044c \u043e\u0448\u0438\u0431\u043a\u0438 \u043f\u043e\u0434\u043e\u0431\u043d\u043e\u0433\u043e \u0440\u043e\u0434\u0430, \u043c\u044b \u043f\u0438\u0448\u0435\u043c \u0443\u0431\u043e\u0433\u043e\u0441\u0442\u0438, \u0442\u0438\u043f\u0430 \u044d\u0442\u043e\u0439<\/p>\n<pre><code class=\"javascript\">var farherFirstNames = [];  for (var i = 0; i &lt; families.length; i++) {   var father = families[i].father;    if (father && father.info && father.info.name && father.info.name.first) {     fatherFirstNames.push(father.info.name.first);   } } <\/code><\/pre>\n<p>  \u0411\u0443\u044d\u044d\u044d\u2026 \u0421\u043c\u043e\u0442\u0440\u0438\u0442\u0435, \u043a\u0430\u043a \u044d\u043b\u0435\u0433\u0430\u043d\u0442\u043d\u043e \u0440\u0435\u0448\u0430\u0435\u0442 \u044d\u0442\u0443 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0443 SteelToe!<\/p>\n<pre><code class=\"javascript\">var fatherFirstNames = [];  for (var i = 0; i &lt; families.length; i++) {   var name = steelToe(families[i]).walk('father.info.name.first');    if (name) {     fatherFirstNames.push(name);   } }  fatherFirstNames; \/\/ [&quot;Hank&quot;, &quot;Dale&quot;, &quot;Bill&quot;] <\/code><\/pre>\n<p>  \u0411\u043e\u043b\u044c\u0448\u0435 \u043d\u0438\u043a\u0430\u043a\u0438\u0445 <code>TypeError<\/code>-\u043e\u0432! \u0421\u0447\u0430\u0441\u0442\u044c\u0435!<\/p>\n<p>  \u0411\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0430 <a href=\"http:\/\/jclem.net\/steeltoe\/\">\u043d\u0430 \u0441\u0430\u0439\u0442\u0435<\/a>, \u0438 \u0432 <a href=\"https:\/\/github.com\/jclem\/steeltoe\">github<\/a>.    \t   \t<\/p>\n<div class=\"clear\"><\/div>\n<\/p><\/div>\n<p> \u0441\u0441\u044b\u043b\u043a\u0430 \u043d\u0430 \u043e\u0440\u0438\u0433\u0438\u043d\u0430\u043b \u0441\u0442\u0430\u0442\u044c\u0438 <a href=\"http:\/\/habrahabr.ru\/post\/159269\/\"> http:\/\/habrahabr.ru\/post\/159269\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"content html_format\">   \t<img decoding=\"async\" src=\"http:\/\/habrastorage.org\/storage2\/495\/5c6\/2cb\/4955c62cb9d4c8d2c2f4147b8e5ea4eb.jpg\" align=\"left\"\/> <b>SteelToe <\/b> \u2014 \u043d\u0435\u0431\u043e\u043b\u044c\u0448\u0430\u044f javascript \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430, \u043f\u0440\u0438\u0437\u0432\u0430\u043d\u043d\u0430\u044f \u0440\u0435\u0448\u0438\u0442\u044c \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0443 \u0434\u043e\u0441\u0442\u0443\u043f\u0430 \u043a \u043d\u0435\u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043d\u044b\u043c \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u0430\u043c \u043e\u0431\u044a\u0435\u043a\u0442\u0430. \u042d\u0442\u043e \u043e\u0441\u043e\u0431\u0435\u043d\u043d\u043e \u0432\u0430\u0436\u043d\u043e \u043f\u0440\u0438 \u043e\u0431\u0440\u0430\u0449\u0435\u043d\u0438\u0438 \u043a\u043e \u0432\u043b\u043e\u0436\u0435\u043d\u043d\u044b\u043c \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u0430\u043c. \u0412 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0435 \u0442\u0430\u043a\u0436\u0435 \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u0430 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0430\u0432\u0442\u043e\u0432\u0438\u0432\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438, \u0447\u0442\u043e \u043f\u043e\u0440\u044f\u0434\u043a\u043e\u043c \u0443\u043f\u0440\u043e\u0449\u0430\u0435\u0442 \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u0435 \u043d\u0443\u0436\u043d\u044b\u0445 \u0441\u0432\u043e\u0439\u0441\u0442\u0432. \u0412 \u043e\u0431\u0449\u0435\u043c \u2014 \u0434\u043e\u0432\u043e\u043b\u044c\u043d\u043e \u043f\u043e\u043b\u0435\u0437\u043d\u044b\u0439 \u0441\u0430\u0445\u0430\u0440 \u0432 OOP.  <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-159269","post","type-post","status-publish","format-standard","hentry"],"_links":{"self":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts\/159269","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=159269"}],"version-history":[{"count":0,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts\/159269\/revisions"}],"wp:attachment":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=159269"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=159269"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=159269"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}