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JavaScript count list items

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Ugliest Unicorn answered on April 20, 2021 Popularity 9/10 Helpfulness 5/10

answer JavaScript count list items

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JavaScript count list items

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var ul = document.getElementById("myul");
var liNodes = [];

for (var i = 0; i < ul.childNodes.length; i++) {
	if (ul.childNodes[i].nodeName == "LI") {
		liNodes.push(ul.childNodes[i]);
	}
}

Popularity 9/10 Helpfulness 5/10 Language javascript

Source: www.sitepoint.com

Tags: count items javascript list

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Contributed on Apr 20 2021

Ugliest Unicorn

0 Answers Avg Quality 2/10

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JavaScript count list items

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-1

var myUL = document.getElementById("myUL");
var list = myUL.children.tags("LI");
alert(list.length);

Popularity 9/10 Helpfulness 3/10 Language javascript

Source: www.sitepoint.com

Tags: count coun

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Contributed on Apr 20 2021

Ugliest Unicorn

0 Answers Avg Quality 2/10

count number in a list javascript

Comment

let arr = [1,1,1,2,2,3]

var count = new Map();
for(num in arr){
   if (count.size !== 0 && count.has(arr[num])){
          count = count.set(arr[num],1+ count.get(arr[num]))
          }
        else{
            count = count.set(arr[num],1);}
  
/* Output

Map(3) { 1 => 3, 2 => 2, 3 => 1 }
*/

Popularity 8/10 Helpfulness 2/10 Language javascript

Source: Grepper

Tags: count javascript javasc

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Contributed on Nov 01 2022

Blue-eyed Barracuda

0 Answers Avg Quality 2/10

JavaScript count list items

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JavaScript count list items

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JavaScript count list items

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