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Gregory Lowe - finished arrayUtils Lab #4

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91 changes: 81 additions & 10 deletions ArrayUtils.js
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Original file line number Diff line number Diff line change
@@ -1,21 +1,92 @@
class ArrayUtils{

isEmpty(array){return false;}
isEmpty(array){
if (array.length === 0){
return true
} return false
}

append(original, value){return original;}
append(array, newValue){
array[array.length] = newValue;
return array
}

clone(original){return original;}
clone(original){
let newArr = []
newArr = original
return newArr
}

subArray(original, from, to){return original;}
subArray(original, from, to) {
let newArray = []

for (let i = from; original[i] <= original[to]; i++){
newArray[newArray.length] = original[i]
}
return newArray
}

equals(arr1, arr2){return false;}
equals(arr1, arr2){
if (arr1.length !== arr2.length) return false;

for (let i = 0; i < arr1.length; i++) {
if (arr1[i] !== arr2[i]) return false;
}

return true;
}

fill(original, value){}

indexOf(original, value){return -1;}
fill(original, value) {
for (let i = 0; i < original.length; i++){
original[i] = value
}
return original
}

remove(original, value){return original;}
indexOf(original, value) {
for (let i = 0; i < original.length; i++){
if(original[i] === value) {
return i
break
}
}
return -1;
}

remove(original, value){
let newOrig = [...original]

for (let i = 0; i < newOrig.length; i++) {
if (newOrig[i] === value) {
delete newOrig[i]
return newOrig
break
}
}
}

reverse(original){}
reverse(original) {
let top = original.length - 1;
let bottom = 0;
let swap = 0;

while (top - bottom >= 1) {
swap = original[bottom];
original[bottom] = original[top];
original[top] = swap;
bottom++;
top--;
}
return original
}

}
}

const arrayUtils = new ArrayUtils();




test = [0, 1, 2]

12 changes: 12 additions & 0 deletions index.html
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Original file line number Diff line number Diff line change
@@ -0,0 +1,12 @@
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Array Lab</title>
</head>
<body>

<script src="ArrayUtils.js"></script>
</body>
</html>