JavaScript How to write if statement in JavaScript? example

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J | B | A

<!DOCTYPE html>
<html>
	<head>
		<title>Demo</title>
	</head>
<body>
<h1>Example for IF statement</h1>
	<script>
          function Check() {
              var myName = document.getElementById("txtName").value;

// if block
              if (myName == "Sheo") {
                  alert("Yes");
              }

// if else block
              if (myName == "Sheo") {
                  alert("Yes");
              }
              else {
                  alert("No");
              }

// if else if else block
              if (myName == "Sheo") {
                  alert("Yes");
              }
              else if (myName == "Sheo Narayan") {
                  alert("Yes");
              }
              else {
                  alert("No");
              }
          }
</script>

Enter your name: <input type="text" id="txtName" /> 
    <input type="button" id="btnSubmit" value="Check my name" onclick="Check()" />
<p><strong>Note:</strong> Enter 'Sheo' or 'Sheo Narayan' to see the positive output.</p>
</body>
</html>

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JavaScript > How To Write If Statement In Javascript?

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Output