How can I create a toggle effect on the :after property, switching between + and - each time the link is clicked?
I've attempted to achieve this using JavaScript, CSS, and HTML, but the code only changes + to - and doesn't switch back when the link is clicked again.
$("#heading1").click(function(){
document.querySelectorAll('#heading1')[0].style.setProperty("--content","'—'");
}#heading1:after {
content:var(--content,"+");
}<a id="heading1">link</a>Retrieve the current value using getPropertyValue("--content"). If it's empty, display a dash; if it's already a dash, clear the value and use the default variable.
$("#heading1").click(function() {
const content = this.style.getPropertyValue("--content");
this.style.setProperty("--content", content === "" ? "'—'" : "");
})#heading1:after {
content: var(--content, "+");
}<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<a id="heading1">link</a>Here's a simple solution that should work:
$('#heading1').click(() => {
// Retrieve the current value
let value = this.style.getPropertyValue('--content');
// Flip the value
value = value === '+' ? '-' : '+';
// Update the value
this.style.setProperty('--content', value);
});
Furthermore, I observed that you were using
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