JSFiddle - React, Tailwind, and code Playground

by Mohammed Sameer

HTML

<input type="text" id="from" />
<input type="text" id="to" />
<input type="button" id="switch_cities" value="Switch" />

JavaScript

$(document).off("click", "#switch_cities").on("click", "#switch_cities", function(e) { 
        alert('uuuu');
        e.preventDefault();
        var r = $("#from").val(),
            t = $("#to").val();
        ("" != r || "" != t) && ($("#from").val(t), $("#to").val(r))
    })