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some solution updates to arrays and best practices section #214

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15 changes: 12 additions & 3 deletions app/arrays.js
Original file line number Diff line number Diff line change
Expand Up @@ -2,15 +2,24 @@ exports = typeof window === 'undefined' ? global : window;

exports.arraysAnswers = {
indexOf: function(arr, item) {

return arr.indexOf(item);
},

sum: function(arr) {

var total = 0;
for(var i=0; arr.length > i; i++) {
total += arr[i];
}
return total;
},

remove: function(arr, item) {

var index = arr.indexOf(item);
while(index >=0) {
arr.splice(index,1);
index = arr.indexOf(item);
}
return arr;
},

removeWithoutCopy: function(arr, item) {
Expand Down
5 changes: 3 additions & 2 deletions app/bestPractices.js
Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,7 @@ exports = typeof window === 'undefined' ? global : window;

exports.bestPracticesAnswers = {
globals: function() {
var myObject;
myObject = {
name: 'Jory'
};
Expand All @@ -17,10 +18,10 @@ exports.bestPracticesAnswers = {
},

parseInt: function(num) {
return parseInt(num);
return parseInt(num, 10);
},

identity: function(val1, val2) {

return val1 === val2;
}
};
15 changes: 14 additions & 1 deletion app/strings.js
Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,20 @@ exports = typeof window === 'undefined' ? global : window;

exports.stringsAnswers = {
reduceString: function(str, amount) {

var count = 0;
var result = '';
for(var i = 0; i < str.length; i++) {
if (str[i] === str[i+1]) {
count++
if(count < amount) {
result += str[i];
}
} else {
count = 0;
result += str[i];
}
};
return result;
},

wordWrap: function(str, cols) {
Expand Down
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