Page 386 - Web_Application_v2.0_C12_Fb
P. 386

<INPUT TYPE="number" ID="y1" PLACEHOLDER="y1">
                   <P>Point B:</P>
                   <INPUT TYPE="number" ID="x2" PLACEHOLDER="x2">

                   <INPUT TYPE="number" ID="y2" PLACEHOLDER="y2">
                   <BR><BR>
                   <BUTTON ONCLICK="calculateDistance()">Calculate Distance</BUTTON>
                   <P ID="result"></P>
                   <SCRIPT>
                   function calculateDistance() {
                   var x1 = parseFloat(document.getElementById("x1").value);
                   var y1 = parseFloat(document.getElementById("y1").value);

                   var x2 = parseFloat(document.getElementById("x2").value);
                   var y2 = parseFloat(document.getElementById("y2").value);
                   var distance = Math.sqrt(Math.pow(x2 - x1, 2) + Math.pow(y2 - y1, 2));
                   document.getElementById("result").innerHTML = "The distance between the two
                       points is: " + distance.toFixed(2);
                   }
                   </SCRIPT>
                   </BODY>
                   </HTML>
                    Output of the preceding code is as follows:





































                18.   Write a JavaScript code to input the initial velocity, acceleration and time travelled. Calculate the distance
                    travelled by the body by using the formula:

                    Distance = initial Velocity × Time + (1/2) × Acceleration × Time
                                                                                 2
                384   Touchpad Web Applications (Ver. 2.0)-XII
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