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January 12, 2011 22:20
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Answer for javascript homework class
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| <!-- | |
| Write a program that accepts three numbers from the user | |
| and alerts back the the user: the sum of the numbers, | |
| the total of the numbers multiplied together, the average | |
| of the numbers, and, for extra credit, figure out how to | |
| find the largest number and smallest number. | |
| --> | |
| <!DOCTYPE HTML> | |
| <HTML> | |
| <HEAD> | |
| <TITLE>Javascript Math is the Coolest</TITLE> | |
| </HEAD> | |
| <BODY> | |
| <SCRIPT type="text/javascript"> | |
| x = parseInt(prompt("Give me a first number.")); // should each be between -4294267296 and 4294267296 | |
| y = parseInt(prompt("Give me a second number.")); | |
| z = parseInt(prompt("Give me a third number.")); | |
| sum = x + y + z; | |
| product = x * y * z; | |
| average = sum / 3; | |
| // //find the largest number using nested ifs: | |
| // if (x > y) | |
| // { | |
| // if (x > z) | |
| // { | |
| // largest = x; | |
| // } | |
| // else if (z > x) | |
| // { | |
| // largest = z; | |
| // } | |
| // } | |
| // else if (y > x) | |
| // { | |
| // if (y > z) | |
| // { | |
| // largest = y; | |
| // } | |
| // else if (z > x) | |
| // { | |
| // largest = z; | |
| // } | |
| // } | |
| // else if (x == y) | |
| // { | |
| // if (x == z) | |
| // { | |
| // largest = x; | |
| // } | |
| // } | |
| // | |
| // //find the smallest number using nested ifs. | |
| // if (x < y) | |
| // { | |
| // if (x < z) | |
| // { | |
| // smallest = x; | |
| // } | |
| // else if (z < x) | |
| // { | |
| // smallest = z; | |
| // } | |
| // } | |
| // else if (y < x) | |
| // { | |
| // if (y < z) | |
| // { | |
| // smallest = y; | |
| // } | |
| // else if (z < x) | |
| // { | |
| // smallest = z; | |
| // } | |
| // } | |
| // else if (x == y) | |
| // { | |
| // if (x == z) | |
| // { | |
| // smallest = x; | |
| // } | |
| // } | |
| // | |
| //find the largest number using Math.max | |
| largest = Math.max(x, y, z) | |
| //find the smallest number using Math.min | |
| smallest = Math.min(x, y, z) | |
| alert("The three numbers you gave me were: " + x + ", " + y + ", & " + z); | |
| alert("The sum is: " + sum); | |
| alert("The product is: " + product); | |
| alert("The average is: " + average); | |
| alert("The largest number is: " + largest); | |
| alert("The smallest number is: " + smallest); | |
| </SCRIPT> | |
| </BODY> | |
| </HTML> |
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