Create ul and li elements in javascript.

2020-02-08 17:33发布

站内问答 / JavaScript
1247 4 5

I am trying to create ul and li element in my codes by using javascript. I have following:

var test=document.createElement('section');
test.setAttribute('id','test');

var ul=document.createElement('ul');


document.body.appendChild(test);
test.appendChild(ul);

for (var i=0; i<array.length; i++){

    var li=document.createElement('li');

    ul.appendChild(li);
    li.innerHTML=li.innerHTML + array[i];

}

My array is parsed using json_encode from php

array[0]='aaa';
array[1]='bbb';
array[2]='ccc';

CSS

section { 

    display: block;
    width: 200px;
    margin: 50px auto;
    border: 3px solid red;

}

Everything works fine except the list style dot is outside of my section tag.

It displays like this in Chrome and IE but firefox work fine.

 -------------
*| aaa       |
*| bbb       |
*| ccc       |
 -------------

I want my dot inside my section tag. Anyone idea? Thanks a lot.

标签： javascript
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4条回答
Evening l夕情丶
2楼-- · 2020-02-08 18:07

Use the CSS property list-style-position to position the bullet:

list-style-position:inside /* or outside */;
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Melony?
3楼-- · 2020-02-08 18:12

Try out below code snippet:

 var list = [];
 var text;

function update() {
    console.log(list);    

    for (var i = 0; i < list.length; i++) {
       console.log( i );
       var letters;
       var ul = document.getElementById("list");
       var li = document.createElement("li");

       li.appendChild(document.createTextNode(list[i]));
       ul.appendChild(li);

       letters += "<li>"  + list[i] + "</li>";
    }

 document.getElementById("list").innerHTML = letters;

}

function myFunction() {
    text = prompt("enter TODO");  
    list.push(text);
    update();
}
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▲ chillily
4楼-- · 2020-02-08 18:22

Here is my working code :

<!DOCTYPE html>
<html>
<head>
<style>
   ul#proList{list-style-position: inside}
   li.item{list-style:none; padding:5px;}
</style>
</head>
<body>
    <div id="renderList"></div>
</body>
<script>
    (function(){
        var ul = document.createElement('ul');
        ul.setAttribute('id','proList');

        productList = ['Electronics Watch','House wear Items','Kids wear','Women Fashion'];

        document.getElementById('renderList').appendChild(ul);
        productList.forEach(renderProductList);

        function renderProductList(element, index, arr) {
            var li = document.createElement('li');
            li.setAttribute('class','item');

            ul.appendChild(li);

            li.innerHTML=li.innerHTML + element;
        }
    })();
</script>
</html>

working jsfiddle example here

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迷人小祖宗
5楼-- · 2020-02-08 18:24

Great then. Let's create a simple function that takes an array and prints our an ordered listview/list inside a div tag.

Step 1: Let's say you have an div with "contentSectionID" id.<div id="contentSectionID"></div>

Step 2: We then create our javascript function that returns a list component and takes in an array:

function createList(spacecrafts){

var listView=document.createElement('ol');

for(var i=0;i<spacecrafts.length;i++)
{
    var listViewItem=document.createElement('li');
    listViewItem.appendChild(document.createTextNode(spacecrafts[i]));
    listView.appendChild(listViewItem);
}

return listView;
}

Step 3: Finally we select our div and create a listview in it:

document.getElementById("contentSectionID").appendChild(createList(myArr));
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