nodelist Questions
6
Solved
This is one of those it seems so simple, but I cannot come up with a good way to go about it.
I have a node, maybe nodelist = document.getElementById("mydiv"); - I need to normalize this to a node...
Accusal asked 12/11, 2012 at 21:36
2
Solved
I'm looking for a future proof way to iterate through a NodeList (ie from element.querySelectorAll(selector)) as well as be cross-browser compatible. Previously I'd been using the ES6 Spread functi...
Slavophile asked 11/12, 2019 at 17:22
14
Solved
I was looking at some snippets of code, and I found multiple elements calling a function over a node list with a forEach applied to an empty array.
For example I have something like:
[].forEach.c...
Aloysia asked 17/4, 2013 at 6:48
15
Solved
Previously answered questions here said that this was the fastest way:
//nl is a NodeList
var arr = Array.prototype.slice.call(nl);
In benchmarking on my browser I have found that it is more than ...
Hutcherson asked 7/7, 2010 at 23:4
7
Solved
Converting my JS to TS strict mode.
The following syntax looks fine to me but TS is complaining in the for loop on allSubMenus with:
[ts] Type 'NodeListOf<Element>' is not an array type or a ...
Liam asked 7/8, 2018 at 9:58
6
I'm generating content dynamically, so I'm often ending up with documentFragments which I'm querying using querySelectorAll or querySelector returning a nodeList of elements inside my documentFragm...
Aquiculture asked 19/11, 2013 at 15:15
7
Solved
What is the most efficient way to filter or map a nodelist in ES6?
Based on my readings, I would use one of the following options:
[...nodelist].filter
or
Array.from(nodelist).filter
Which o...
Polygamous asked 24/9, 2015 at 15:21
2
Solved
So, I'm getting a list of elements that match a selector using querySelectorAll, which stores them in a NodeList.
I'm then scanning through the NodeList with a forEach loop, at which point the typ...
Boreal asked 12/2, 2020 at 20:35
5
NOTE: Before this question is assumed a duplicate, there is a section at the bottom of this question that addresses why a few similar questions do not provide the answer I am looking for.
We all...
Boutte asked 18/7, 2016 at 15:22
4
Solved
Do you see any problems with the following:
NodeList.prototype.forEach = Array.prototype.forEach;
Normally forEach is just a property of arrays, but by setting it as a property of all NodeLists ...
Ainsley asked 7/3, 2013 at 9:21
4
Solved
In ES6, an iterable is an object that allows for... of, and has a Symbol.iterator key.
Arrays are iterables, as are Sets and Maps. The question is: are HTMLCollection and NodeList iterables? Are ...
Beatabeaten asked 8/7, 2015 at 4:9
2
Solved
I am looking for a best way to iterate through NodeList excluding length. I am using:
var foo = document.querySelectorAll('[id^=foo_id]')
console.log(foo)
Returned NodeList has all the req...
Jemy asked 11/7, 2019 at 13:34
8
Solved
Does NodeList support addEventListener. If not what is the best way to add EventListener to all the nodes of the NodeList. Currently I am using the code snippet as show below, is there a bett...
Allspice asked 11/9, 2012 at 3:15
8
Can anyone tell me what kind of object the NodeList is. I read that it is an array-like object and that it can be accessed via bracket notation, for example var a = someNode.childNode[0];. How is t...
Surfbird asked 31/3, 2011 at 14:27
4
Solved
I was looking up how to iterate NodeLists and I came across the following bit of code.
var nodesArray = Array.prototype.slice.call(nodeList);
nodesArray.forEach(function(node) {
//...
})
...
Evidentiary asked 20/2, 2014 at 22:40
2
Solved
Traditionally, a suggested way of removing a node's children in Javascript is to do something like this:
while(node.firstChild) {
node.removeChild(node.firstChild);
}
Recently, I attempted to r...
Forelli asked 17/1, 2018 at 21:55
6
Solved
I was originally asking for an elegant way to simulate the Array.concat() functionality on the results of the getElementsByTagName function in IE or older browsers, because it seemed that concat wa...
Shopwindow asked 12/3, 2010 at 2:29
4
Solved
I'm having a hard time converting a NodeList to an array in IE 8. The following works perfectly in Chrome, but in IE 8 toArray() is not recognized as valid:
NodeList.prototype.toArray = function()...
Sand asked 29/12, 2010 at 21:1
1
I'm learning vanilla js and something that keeps coming up is that I see some examples of code that say document.getElementBy... or document.getElement(s)By..., Is it the case that every html node ...
Year asked 7/8, 2017 at 20:27
3
Solved
So I want an easy way to loop through nodelists, and I always hated that I can't use forEach on nodeLists.
So, now I do: Array.prototype.forEach.call(nodeList, callback).
and for index, i do: Arr...
Alar asked 17/4, 2017 at 10:47
2
Solved
I've got a nodelist of objects returned by a call to document.getElementsByClassName('a'). Some of these objects have an extra class b. How can I create an array of elements that contain both class...
Vassaux asked 20/1, 2017 at 20:39
1
Solved
I have a function for adding buttons to a page.
var count = 0;
function createOnclickFunction(number)
{
return function()
{
alert("This is button number " + number);
}
}
function addBu...
Survivor asked 13/7, 2016 at 21:19
3
Solved
2
Solved
After providing an incorrect answer concerning the .item() property of Node.childNodes for a question, I inspected __proto__ of the returned childNodes of a form element and found a forEach method....
Coadjutress asked 19/3, 2016 at 23:56
2
Solved
I am trying to save nodeList node that contains XML as a new file, here is the Node list that get a new XML doc and split to smaller XMLs:
public void split(Document inDocument) throws ParserConfi...
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