有一个
span
元素,但可以通过单击按钮更改文本这是我的代码:
<Span class="spn">Span</Span>
<button onclick="changespan()">click</button>
<script>
function eventp() {
$('.spn').on('change', () => alert('detect span text change.'))
}
function changespan() {
$('.spn').text("span text changed.");
eventp();
}
</script>
HTML
<span id="spn"></span>
JS:
const span = document.getElementById("spn")
span.addEventListener("change", function(){
let value = span.innerText
// Your code
})