Can't get data from JSON status undefined? [closed] - javascript

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I am trying to get the status of de.zip-code but get a error Cannot read property 'status' of undefined. In my js file I have this
$.getJSON("link", function(json) { let creditcheck = json.de_zip_code.status; and more.
{
de.zip-code: {
status: "RED",
link: "link",
text: "text"
},
glasvezel-availability: {
status: "RED",
link: "link",
text: "text"
}
}

You have to use the same name as your property when trying to access it (creditcheck = json.de_zip_code.status won't work).
If that property contains special characters (. and - here), then you must use the bracket notation instead of dot notation to access the property:
data['de.zip-code'].status
See the doc about property accessors.
const data = {
'de.zip-code': {
status: 'RED',
link: 'link',
text: 'text'
},
'glasvezel-availability': {
status: 'RED',
link: 'link',
text: 'text'
}
};
console.log(data['de.zip-code'].status);

Related

How to add extra property in object [closed]

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Closed 26 days ago.
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I'm trying to update the object with this field included: [{ name: 'Euler', age: 27, location: 'remote' }]
at the moment the str is: [{ name: 'Euler', age: 27 }] so the location fields needs to be added.
I've done this so far:
function updateRemoteStudents (str) {
str["Location"] = "remote";
console.log (str);
// Your code here
}
result i get is: [{ name: 'Euler', age: 27 }, Location: 'remote' ].
How can i change the function to reflect what i want (sorry new to coding)
[{ name: 'Euler', age: 27, location: 'remote' }]
change to str[0]["Location"] = "remote"; because you are passing an array.

How to use methods on arrays in an object [closed]

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Closed 2 years ago.
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myObj = {anArray: ["1", "2", "3", "4"]}
if (myObj["anArray"].includes("2")) {
console.log("hey")
}
this throws an error:
TypeError: MyObject.anArray.contains is not a function
So how do I use methods on an array in an object?
any help would be much appreciated
contains() doesn't exist for Array in javascript.
Have a look on includes() which return true or false, or indexOf() which return the position.
W3School - includes()
W3School - indexOf()
Array has no method contains use includes instead
const myObj = { anArray: ['1', '2', '3', '4'] };
if (myObj['anArray'].includes('2')) {
console.log('hey');
}

Why is the array empty after filtering? [closed]

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This question was caused by a typo or a problem that can no longer be reproduced. While similar questions may be on-topic here, this one was resolved in a way less likely to help future readers.
Closed 6 years ago.
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I'm trying to filter some objects in an array. But when I do it, I just get an empty array.
Code:
let guilds = guildsData.filter((el) => {
return el.owner == 'true';
});
console.log(guilds);
Array:
[
{ owner: false,
permissions: 2146958463,
icon: 'e568d2b87e31358588cb982354628d51',
id: '267920024570691586',
name: 'Hydra' },
{ owner: true,
permissions: 2146958463,
icon: null,
id: '269159705794838529',
name: 'test 2' } ]
(I removed most of the objects, but they all look like this)
The string 'true' is not the same as the boolean constant true.
When one side of == is boolean and the other is something else, the comparison is done after converting that boolean to number. Thus
'true' == true
is carried out as
'true' == 1
Try this:
let guilds = guildsData.filter((el) => {
return el.owner;
});
no need to compare true to 'true' (they are not the same anyway).

Retrieving data with spaces from SQL [closed]

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This question was caused by a typo or a problem that can no longer be reproduced. While similar questions may be on-topic here, this one was resolved in a way less likely to help future readers.
Closed 6 years ago.
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I'm trying to display custom icons on a map and I'm almost there, I just have a simple issue that I can't find an answer to. There are three types of icon which correspond to data in the database in a column called 'Scarcity'. I have the data in an xml file and the icons display for 'Common' and 'Rare' but don't display for 'Very rare'. How do I capture this data with spaces in js?
The js I'm using for the icons is:
var customIcons = {
Common: {
icon: '../Images/Common.png'},
Rare: {
icon: '../Images/Rare.png'},
Very rare: {
icon: '../Images/veryRare.png'}
};
Thank you!
you will have to put keys in quotes like :
var customIcons = {
'Common': {
'icon': '../Images/Common.png'
},
'Rare': {
'icon': '../Images/Rare.png'
},
'Very rare': {
'icon': '../Images/veryRare.png'
}
};

center is not defined - <!DOCTYPE html> error [closed]

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This question was caused by a typo or a problem that can no longer be reproduced. While similar questions may be on-topic here, this one was resolved in a way less likely to help future readers.
Closed 6 years ago.
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I getting error:
ReferenceError: center is not defined
and console marks <!DOCTYPE html>. Why? Without a parameter in the function call everything is fine. All HTML tags are fine, on top I have <!DOCTYPE html>
<button onclick="getRegion(center)" class="btn btn-region">centrum</button>
function getRegion(region) {
var listRegions = {
"center": [ '7', '5' ],
"south": [ '12' ],
"north": [ '11' ],
"west": [ '4' ]
};
var activeRegion = listRegions[region];
//remClass();
for ( var i = 0; i < activeRegion.length; i++ ) {
$('section.bok-map').find( $('.pl' + activeRegion[i]) ).addClass('active-region');
}
}
In the getRegion(center) call, center needs to be quoted because you want a string.
<button onclick="getRegion('center')" class="btn btn-region">centrum</button>
Without the quotes, it is treated as a variable called center which obviously doesn't exist.

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