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diff --git a/csci4131/lec/Lec6Ex1.html b/csci4131/lec/Lec6Ex1.html new file mode 100644 index 0000000..7b45e18 --- /dev/null +++ b/csci4131/lec/Lec6Ex1.html @@ -0,0 +1,39 @@ +<!DOCTYPE html> + +<!-- Addition script. --> +<html> + +<head> + <meta charset="utf-8"> + <title>Add and Multiply Program</title> + <script> + + + var number1; // first number to add + var number2; // second number to add + var sum; // sum of number1 and number2 + var product; // product of number1 and number2 + + // read in first number from user as a string, use the window object’s prompt method + // The window object is a global object - all methods and properties that are not part of another object are part of the window object + + number1 = window.prompt("Enter first integer"); + // read in second number from user as a string – note you can omit the object name and dot operator + // when referring to properties or attributes of the window object because it is global + + number2 = window.prompt("Enter second integer"); + + number1 = parseInt(number1); + number2 = parseInt(number2); + sum = parseInt(number1) + parseInt(number2); // add the numbers + product = number1 * number2; //multiply the numbers + + // display the results – uses the document object, highest object in the DOM structure. You have to use object name and dot operator. + document.writeln("<h1>The program returns " + sum + " as the sum, and</h1>"); + document.writeln("<h1>" + product + " as the product</h1>"); + </script> +</head> + +<body></body> + +</html>
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