Question

In: Computer Science

Write a javascript program according to the follow requirements: Create a function that converts Fahrenheit to...

Write a javascript program according to the follow requirements:

  • Create a function that converts Fahrenheit to Celsius. It takes a single argument which represents degrees in Fahrenheit. It converts it and returns the degrees in Celsius.
  • Create another function that converts Celsius to Fahrenheit. It takes a argument in Celsius and returns the degrees in Fahrenheit.
  • Implement the function convert(isFtoC, from, to) below. It takes the following three arguments:
    • isFtoC: a boolean that is true if degrees must be converted from Fahrenheit to Celsius or false if degrees must be converted from Celsius to Fahrenheit
    • from: this represents the first value in a range of degrees that will be converted
    • to: this represents the last value in a range of degrees to be converted
  • The function must convert every degree in the specified range and show each degree and the converted result on the page. Call show(str) to display a string on the page.

function convert(isFtoC, from, to) {
  // your code here
}

Note: Use .toFixed(2) to limit the decimal digits to 2, e.g. num.toFixed(2)

Solutions

Expert Solution

Dear Student ,

As per the requirement submitted above , kindly find the below solution.

Here a new web page with name "tempConversion.html" is created, which contains following code.

tempConversion.html :

<!DOCTYPE html>

<html lang="en">

<head>

<!-- title for web page -->

<title>Temprature Conversion</title>

<meta charset="UTF-8">

<meta name="viewport" content="width=device-width, initial-scale=1">

</head>

<body>

From Temp :<input type="text" id="txtFrom"/>

<br><br>

To Temp :<input type="text" id="txtTo"/>

<br><br>

Select Conversion :

<select id="temp">

<option selected>--Select Conversion--</option>

<option value="Fahrenheit">Fahrenheit</option>

<option value="Celsius">Celsius</option>

</select>

<br><br>

<input type="button" onclick="convertTemp()" value="Convert"/>

<!-- div to display temprature -->

<div id="myDiv"></div>

<!-- <script> is used for javascript -->

<script>

//function to convert temprature

function convertTemp()

{

var from=parseFloat(document.getElementById("txtFrom").value);//take from temp

var to=parseFloat(document.getElementById("txtTo").value);//take to temp

//checking what is selected

if(document.getElementById("temp").value=="Fahrenheit")

{

//if Fahrenheit is selected

convert(true,from,to);

}

else{

//if Celisus is selected

convert(false,from,to);

}

}

//function to convert Fahrenheit to Celsius

function fToC(f)

{

return (f-32)* 5/9;//return temp in c

}

//function to convert Celsius to Fahrenheit

function cTof(c)

{

return (c*9/5)+32;//return temp in f

}

//function to convert temprature

function convert(isFtoC, from, to)

{

var tempStr="";

//checking if Fahrenheit to Celsius

if(isFtoC==true)

{ tempStr="F:C<br/>";

//convert temprature in Fahrenheit

for(var i=from;i<=to;i++)

{

tempStr+=i+" : "+fToC(i).toFixed(2)+"<br/>";//call function and concate

}

show(tempStr);//call function to display details

}

else if(isFtoC==false){

tempStr="C:F<br/>";

for(var i=from;i<=to;i++)

{

tempStr+=i+" : "+cTof(i).toFixed(2)+"<br/>";//call function and concate

}

show(tempStr);//call function to display details

}

}

//function to show string

function show(str)

{

document.getElementById("myDiv").innerHTML=str;//display on the div

}

</script>

</body>

</html>

======================================================

Output : Compile and Run tempConversion.html in the browser and will get the screen as shown below

Screen 1 :tempConversion.html

Screen 2 :Temp from f to c

Screen 3 :Temp from c to f

NOTE : PLEASE FEEL FREE TO PROVIDE FEEDBACK ABOUT THE SOLUTION.

venereology answered 1 year ago
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