{"id":450,"date":"2022-08-30T15:01:33","date_gmt":"2022-08-30T15:01:33","guid":{"rendered":"https:\/\/unknownerror.org\/index.php\/2013\/11\/09\/problem-about-hasownproperty-collection-of-common-programming-errors\/"},"modified":"2022-08-30T15:01:33","modified_gmt":"2022-08-30T15:01:33","slug":"problem-about-hasownproperty-collection-of-common-programming-errors","status":"publish","type":"post","link":"https:\/\/unknownerror.org\/index.php\/2022\/08\/30\/problem-about-hasownproperty-collection-of-common-programming-errors\/","title":{"rendered":"problem about hasownproperty-Collection of common programming errors"},"content":{"rendered":"<ul>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/ae4ee9f066fc40d00274fd2458a6f88f?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nviktorpr7<br \/>\njavascript jquery object prototype hasownproperty<br \/>\nI&#8217;m using the code below and It&#8217;s working good, but when I try to use JQuery at the same time, then I&#8217;m getting the below error, I was reading some posts and I think the problem is that no is possible extend the Object<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/89841cf57849bbe957c155d3d68252f6?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nJason<br \/>\njquery typeerror hasownproperty<br \/>\nI use a jQuery Ajax function to install some demo data on a WordPress theme. This script below has worked on previous themes I have worked on, however now for some reason I am receiving the errorUncaught TypeError: Cannot call method &#8216;hasOwnProperty&#8217; of null Here is the script I am using\/* Install Dummy Dat<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/4ca70150d638c5c6d7bb6c16cfc833d3?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nuser889349<br \/>\njavascript arrays sorting hasownproperty<br \/>\nI have JSON string from my php script like this:var r.co = {&#8220;A20018425&#8221;:[{&#8220;balance&#8221;:&#8221;1390.31&#8243;}, \/\/ 1{&#8220;balance&#8221;:&#8221;1304.11&#8243;}, \/\/ 2{&#8220;balance&#8221;:&#8221;1188.11&#8243;}, \/\/ 3{&#8220;balance&#8221;:&#8221;1421.71&#8243;} \/\/ 4],&#8221;A25005922&#8243;:[{&#8220;balance&#8221;:&#8221;1000&#8243;}, \/\/ 1{&#8220;balance&#8221;:&#8221;1000.86&#8243;}, \/\/ 2{&#8220;balance&#8221;:&#8221;986.32&#8243;}, \/\/ 3{&#8220;balance&#8221;:&#8221;988.96&#8243;}, \/\/ 4{&#8220;balance&#8221;:&#8221;980.26&#8243;},<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/ccbf67acfe1f4ffd160488a40ec27384?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nuser979672<br \/>\njavascript hasownproperty<br \/>\nIt seems to me that there are four different ways I can determine whether a given object (e.g. foo) has a given prop<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/c5485421be535cb2bf4e21f82cf8338c?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nPilgrim<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/f44baf15aac128a03c76ff894336c315?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nmcpDESIGNS<br \/>\njavascript jquery object undefined hasownproperty<br \/>\nSince hasOwnProperty has some caveats and quirks (window \/ extensive use in ie8 issues \/ etc).I was wondering if there is any reason to even use it, and if simply testing if a property is undefined is better justified &amp; mo<\/li>\n<\/ul>\n<p id=\"rop\"><small>Originally posted 2013-11-09 19:43:24. <\/small><\/p>","protected":false},"excerpt":{"rendered":"<p>viktorpr7 javascript jquery object prototype hasownproperty I&#8217;m using the code below and It&#8217;s working good, but when I try to use JQuery at the same time, then I&#8217;m getting the below error, I was reading some posts and I think the problem is that no is possible extend the Object Jason jquery typeerror hasownproperty I [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-450","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts\/450","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/comments?post=450"}],"version-history":[{"count":0,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts\/450\/revisions"}],"wp:attachment":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/media?parent=450"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/categories?post=450"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/tags?post=450"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}