May 23, 2022
Back to all Elements
We need 2 elements for this to work:
The first part of the code sets a few constants on the page:
// Collection List Wrapper
const listWrap = document.getElementById('listWrap');
// Collection List
const list = document.getElementById('autoCompleteList');
// Search Input Field
const searchBar = document.getElementById('searchBar');
Next we have a 'keyup' event listener. This part 'listens' to any key pressed inside the search bar and filters through the items lists. It changes the css of each item (display:block or display:none) according to the term typed.
searchBar.addEventListener('keyup', function(e){
const term = e.target.value.toLowerCase();
// All the elements that will be searchable (can be the item, or a div inside each item)
const searchItems = list.getElementsByClassName('list-item');
Array.from(searchItems).forEach(function(item){
const text = item.firstElementChild.textContent;
if(text.toLowerCase().indexOf(term)!=-1){
item.style.display = 'block';
}
else {
item.style.display = 'none';
}
})
})
The last part is the interaction that opens and closes the list when the focus is on the search bar.
Put all those 3 code snippets together at the custom code section of your page under the Before </body> tag.
// Open list when search bar is focused
searchBar.addEventListener('focusin', (event) => {
listWrap.style.maxHeight = "400px";
});
// Close list when search bar is focused
searchBar.addEventListener('focusout', (event) => {
listWrap.style.maxHeight = "0";
});
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