我如何使用 html css js 制作带有搜索栏的自定义 select 框

Question

i am trying to make a custom select box with search bar using html css and js. once done it didn't work (scroll bar didn't work, and search bar too)

Answer 1

To display some text when the checkbox is checked:

HTML:

Checkbox: <input type="checkbox" id="myCheck" onclick="myFunction()">
<p id="text" style="display:none">Checkbox is CHECKED!</p>

JavaScript:

function myFunction() {
    // Get the checkbox
    var checkBox = document.getElementById("myCheck");
    // Get the output text
    var text = document.getElementById("text");
    // If the checkbox is checked, display the output text
    if (checkBox.checked == true){
        text.style.display = "block";
    } else {
        text.style.display = "none";
}}