Seeking a solution for appending a span element to the DOM.
if (check something...) {
const newSpan = createElement('span');
newSpan.id = '_span';
const container = document.getElementById('container');
container.appendChild(newSpan);
}
How can I prevent duplicating the same element in the DOM tree within the "if" statement? It's like opening a window but avoiding re-adding it until it has been closed.
if ( document.getElementById( '_span' ) ) {
// Here is where your code should go to create an element with the id "_span"
}
Make sure to assign an ID before inserting a new element, and always verify if there is already an element present with that specific ID.
if($('#element_id').length) {
//no action needed, the element is already present in the document
} else {
//insert the new element
}
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