NodeList.prototype.forEach()
The forEach()
method of the NodeList
interface calls the callback given in parameter once for each value pair in the list, in
insertion order.
Syntax
forEach(callback)
forEach(callback, thisArg)
Parameters
callback
-
A function to execute on each element of
someNodeList
. It accepts 3 parameters:currentValue
-
The current element being processed in
someNodeList
. currentIndex
Optional-
The index of the
currentValue
being processed insomeNodeList
. listObj
Optional-
The
someNodeList
thatforEach()
is being applied to.
thisArg
Optional-
Value to use as
this
when executingcallback
.
Return value
Example
const node = document.createElement("div");
const kid1 = document.createElement("p");
const kid2 = document.createTextNode("hey");
const kid3 = document.createElement("span");
node.appendChild(kid1);
node.appendChild(kid2);
node.appendChild(kid3);
const list = node.childNodes;
list.forEach(
function (currentValue, currentIndex, listObj) {
console.log(`${currentValue}, ${currentIndex}, ${this}`);
},
'myThisArg'
);
The above code results in the following:
[object HTMLParagraphElement], 0, myThisArg [object Text], 1, myThisArg [object HTMLSpanElement], 2, myThisArg
Specifications
No specification found
No specification data found for api.NodeList.forEach
.
Check for problems with this page or contribute a missing spec_url
to mdn/browser-compat-data. Also make sure the specification is included in w3c/browser-specs.
Browser compatibility
BCD tables only load in the browser