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minMaxdrillJS created by dtstanley - https://repl.it/G9KJ/199
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function max(numbers) { | |
var maxNum = 0; | |
for (var i =1; i<= numbers.length; i++){ | |
if (maxNum <= numbers[i]){maxNum = numbers[i]; | |
} | |
} | |
return maxNum; | |
} | |
function min(numbers) { | |
var minNum = numbers[0]; | |
for (var i =1; i<= numbers.length; i++){ | |
if (minNum >= numbers[i]){minNum = numbers[i]; | |
} | |
} | |
return minNum; | |
} | |
/* From here down, you are not expected to | |
understand.... for now :) | |
Nothing to see here! | |
*/ | |
// tests | |
function testFunctionWorks(fn, input, expected) { | |
if (fn(input) === expected) { | |
console.log('SUCCESS: `' + fn.name + '` works on `[' + input + ']`'); | |
return true; | |
} | |
else { | |
console.log( | |
'FAILURE: `' + fn.name + '([' + input + '])` should be ' + expected + | |
' but was ' + fn(input) | |
); | |
return false; | |
} | |
} | |
(function runTests() { | |
// we'll use the variables in our test cases | |
var numList1 = [-5, 28, 98, -20013, 0.7878, 22, 115]; | |
var realMin1 = numList1[3]; | |
var realMax1 = numList1[6]; | |
var numList2 = [0, 1, 2, 3, 4]; | |
var realMin2 = numList2[0]; | |
var realMax2 = numList2[4]; | |
var testResults = [ | |
testFunctionWorks(max, numList1, realMax1), | |
testFunctionWorks(max, numList2, realMax2), | |
testFunctionWorks(min, numList1, realMin1), | |
testFunctionWorks(min, numList2, realMin2), | |
]; | |
var numPassing = testResults.filter(function(result){ return result; }).length; | |
console.log(numPassing + ' out of ' + testResults.length + ' tests passing.'); | |
})(); |
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