WebFeb 14, 2024 · 2 Answers Sorted by: 0 before onEachFeature you have: this.geojson = L.geoJson (this.regionsGeoJson, { style: style, onEachFeature: onEachFeature }).addTo (this.map); On this moment, this map is not initialized and is null and when you call addTo method it's internaly do map.addLayer (this); EDIT : WebOct 13, 2016 · Oct 13, 2016 at 14:14 You shouldn't, though it is possible to select by property name. Reason is that it is 1. really ineffective and 2. not robust, since those data attributes look pretty dynamic to me. Instead check if you cannot define an id or a class for the element you want to select.
How to fix
WebFeb 21, 2024 · Using that, you could look at this in your onreadystatechange handler and see that its responseXML property is null. – T.J. Crowder Feb 21, 2024 at 9:12 Like T.J. Crowder wrote it is a type in XML file. Additionally you will get problems on the equal check. xmlDoc.getElementsByTagName ("name") is a collection so there will be no … WebTherefore, JavaScript is unable to read the value of something that does not exist. EDIT: If you want to check that the element exists first, you could use an if statement for each: … cynthia whitener
Uncaught TypeError: Cannot read property
WebDec 24, 2024 · Teams. Q&A for work. Connect and share knowledge within a single location that is structured and easy to search. Learn more about Teams WebNov 26, 2024 · Uncaught TypeError: Cannot read property 'files' of null. when trying to append a file to formData. Take a look: function opencraze () { $ … WebMay 16, 2013 · 1 It means that your regular expression is not matching anything, so it returns null. Then you are trying to look at index 1 of null. – Alex W May 16, 2013 at 16:23 1 Note that ^ and $ mean the beginning and the end of the string, respectively, so your regex won't match a string with more than one entity in it. – hammar May 16, 2013 at 16:24 cynthia white obituary