sargonco

<!DOCTYPE html>
<html>
<head>
<script src="http://www.sargonco.com/Uploads/Public/article/webdistut/javascript/jquery-3.2.1.min.js"></script>
<script>
$(document).ready(function(){
    $("#btn1").click(function(){
        $("#test1").text("Hello world!");
    });
    $("#btn2").click(function(){
        $("#test2").html("<b>Hello world!</b>");
    });
    $("#btn3").click(function(){
        $("#test3").val("Dolly Duck");
    });
});
</script>
</head>
<body>

<p id="test1">This is a paragraph.</p>
<p id="test2">This is another paragraph.</p>

<p>Input field: <input type="text" id="test3" value="Mickey Mouse"></p>

<button id="btn1">Set Text</button>
<button id="btn2">Set HTML</button>
<button id="btn3">Set Value</button>

</body>
</html>