Glasgow-6_JS1-Week-4_Ehdaa-Sakawi #237
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Well done! I have added some comments and some answers to some of the questions. I see you had a little trouble with 6-journey-planner.js. Maybe we can have a look at this in a buddy session. Or I advise you to ask some of your classmates about how they implemented it when you're in class on Saturday.
| function remove() { | ||
| function remove(array, index) { | ||
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| return array.slice(0, index).concat(array.slice(index + 1)); |
| function remove() { | ||
| function remove(array, index) { | ||
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| return array.slice(0, index).concat(array.slice(index + 1)); |
| numbersWithPercentages = numbers.map(addPercentage); | ||
| return numbersWithPercentages; |
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Here we could simply return the map directly without saving it in a variable and then returning that.
numbers.map(addPercentage);
Good use of map though 👏
| function findSafeOxygenLevel(result) { | ||
| if(value > 19.5 && value < 23.5) | ||
| return result === "%", " . "; | ||
| } | ||
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Here the function should take an array of percentages as an input (see tests for examples below). So first we need to turn the percentage which is currently a strings into a number. We need to find the first number in the array that is between 19.5 and 23.5. parseFloat will turn a percentage into a number, e.g. parseFloat("25%") === 25
function findSafeOxygenLevel(planetPercentages) {
return planetPercentages.find(function(percentage) {
const number = percentage.parseFloat(percentage)
return (number >= 19.5 && number <= 23.5) // This will return true or false, if it returns true, the `find` array function will return it as the element it finds first
})
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| if (berryArray.every((berry) => berry === "pink")) { | ||
| return "Bush is safe to eat from"; | ||
| } else { | ||
| return "Toxic! Leave bush alone!"; | ||
| } |
| const eligibleAttendance = attended.filter(attendance => attendance[1] >= 8); | ||
| return eligibleAttendance.map(names=> names[0]) |
| function getLanes(streetNames) { | ||
| return streetNames.filter((street) => street.includes("Lane")); | ||
| } |
| let copyOfOriginal = Arr.slice(0, 5); { | ||
| return copyOfOriginal; |
| function sortArray(letters) { | ||
| let copyOfOriginal = [...letters]; | ||
| copyOfOriginal.sort(); | ||
| return copyOfOriginal; |
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This is good. We could also have just directly returned the sorted version like this
| function sortArray(letters) { | |
| let copyOfOriginal = [...letters]; | |
| copyOfOriginal.sort(); | |
| return copyOfOriginal; | |
| function sortArray(letters) { | |
| let copyOfOriginal = [...letters]; | |
| return copyOfOriginal.sort(); | |
| } |
| function tidyUpString(array) { | ||
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| return array.map((string) => string.trim().toLowerCase().replace("/", "")); |
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