appendchild span to li code example
Example 1: js add more text to element
document.getElementById("p").textContent += " This is the text from javascript.";
<p id ="p">This is the text from HTML.</p>
Example 2: javascript add text to li
let arr = ["g", "o", "o", "g", "L", "e";
let ul = document.getElementById("id_ul");
let i =0;
arr.map(arr=>{
var li = document.createElement("li");
ul.appendChild(li);
li.innerHTML = arr[i];
})