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January 23, 2015 09:05
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// source http://jsbin.com/caney
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>JS Bin</title> | |
| </head> | |
| <body> | |
| <script id="jsbin-javascript"> | |
| // Chapter 3 Exercises | |
| // Minimum | |
| function min(num1, num2) { | |
| if (num1 === num2) | |
| return undefined; | |
| else if (num1 < num2) | |
| return num1; | |
| else | |
| return num2; | |
| } | |
| console.log(min(0, 10)); | |
| // 0 | |
| console.log(min(0, -10)); | |
| // -10 | |
| // Recursion | |
| function isEven(num) { | |
| if (num < 0) | |
| num = num * -1; | |
| if (num === 1) | |
| return false; | |
| else if (num === 0) | |
| return true; | |
| return isEven(num - 2); | |
| } | |
| console.log(isEven(-2)); | |
| // Bean Counting | |
| function countBs(str) { | |
| var count = 0; | |
| for (i = 0; i < str.length; i++) | |
| if (str.charAt(i) === "B") | |
| count++; | |
| return count; | |
| } | |
| function countChar(str, char) { | |
| var count = 0; | |
| for (i = 0; i < str.length; i++) | |
| if (str.charAt(i) === char) | |
| count++; | |
| return count; | |
| } | |
| console.log(countBs("BBC")); | |
| console.log(countChar("kakkerlak", "k")); | |
| </script> | |
| <script id="jsbin-source-javascript" type="text/javascript">// Chapter 3 Exercises | |
| // Minimum | |
| function min(num1, num2) { | |
| if (num1 === num2) | |
| return undefined; | |
| else if (num1 < num2) | |
| return num1; | |
| else | |
| return num2; | |
| } | |
| console.log(min(0, 10)); | |
| // 0 | |
| console.log(min(0, -10)); | |
| // -10 | |
| // Recursion | |
| function isEven(num) { | |
| if (num < 0) | |
| num = num * -1; | |
| if (num === 1) | |
| return false; | |
| else if (num === 0) | |
| return true; | |
| return isEven(num - 2); | |
| } | |
| console.log(isEven(-2)); | |
| // Bean Counting | |
| function countBs(str) { | |
| var count = 0; | |
| for (i = 0; i < str.length; i++) | |
| if (str.charAt(i) === "B") | |
| count++; | |
| return count; | |
| } | |
| function countChar(str, char) { | |
| var count = 0; | |
| for (i = 0; i < str.length; i++) | |
| if (str.charAt(i) === char) | |
| count++; | |
| return count; | |
| } | |
| console.log(countBs("BBC")); | |
| console.log(countChar("kakkerlak", "k")); | |
| </script></body> | |
| </html> |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| // Chapter 3 Exercises | |
| // Minimum | |
| function min(num1, num2) { | |
| if (num1 === num2) | |
| return undefined; | |
| else if (num1 < num2) | |
| return num1; | |
| else | |
| return num2; | |
| } | |
| console.log(min(0, 10)); | |
| // 0 | |
| console.log(min(0, -10)); | |
| // -10 | |
| // Recursion | |
| function isEven(num) { | |
| if (num < 0) | |
| num = num * -1; | |
| if (num === 1) | |
| return false; | |
| else if (num === 0) | |
| return true; | |
| return isEven(num - 2); | |
| } | |
| console.log(isEven(-2)); | |
| // Bean Counting | |
| function countBs(str) { | |
| var count = 0; | |
| for (i = 0; i < str.length; i++) | |
| if (str.charAt(i) === "B") | |
| count++; | |
| return count; | |
| } | |
| function countChar(str, char) { | |
| var count = 0; | |
| for (i = 0; i < str.length; i++) | |
| if (str.charAt(i) === char) | |
| count++; | |
| return count; | |
| } | |
| console.log(countBs("BBC")); | |
| console.log(countChar("kakkerlak", "k")); |
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