selected dropdown value
Plain JavaScript:
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var e = document.getElementById("elementId");
var value = e.options[e.selectedIndex].value;
var text = e.options[e.selectedIndex].text;
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jQuery:
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$("#elementId :selected").text(); // The text content of the selected option
$("#elementId :selected").val(); // The value of the selected optionhow to call a function when dropdown menu's value is selected in html
var menu = document.getElementById("change_chart");
menu.addEventListener("change", generateData);
function generateData(event) {
if (menu.value == '1') {
alert(1);
} else if (menu.value == '2') {
alert(2);
} else if (menu.value == '3') {
alert(3);
}
}Copyright © 2021 Codeinu
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