farenheit Conversion JavaScript application

Jeevan121 · web-flow · commit 2dc50cb22d5b · 2019-04-30T14:26:23.000+05:30
diff --git a/farenheit.html b/farenheit.html
@@ -0,0 +1,39 @@
+<html>
+	<head>
+		<script>
+		
+			//find celsius from fahrenheit javascript function
+			//by tutorialsmade.com
+			
+			function findCelsius(){
+				var fahrenheit = document.getElementById("Fahrenheit").value;
+				var celsius;
+				if(fahrenheit != ''){
+					celsius = (fahrenheit - 32) * 5/9;
+					document.getElementById("output").innerHTML = celsius;
+				}else{
+					document.getElementById("output").innerHTML = "Please enter a value!";
+				}
+			}
+			
+			//this is just to make sure if the user enter number or not, not actually needed for this program
+			//this function will allow only numbers to be entered in the textbox
+			function allowOnlyNumbers(evt) {
+				evt = (evt) ? evt : window.event;
+				var charCode = (evt.which) ? evt.which : evt.keyCode;
+				if (charCode > 31 && (charCode < 48 || charCode > 57)) {
+					return false;
+				}
+				return true;
+			}
+		
+		</script>
+	</head>
+	<body>
+		<h2>Enter Fahrenheit</h2>
+		<input type="text" id="Fahrenheit" onkeypress="return allowOnlyNumbers()" />
+		<strong>Fahrenheit</strong>
+ 
+		<h4>Output: <span id="output"></span></h4>
+	</body>
+</html>
