inAscOrder
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const inAscOrder = (arr) => {
let copy=[...arr]
if(arr.toString()===copy.sort((a,b) => a-b).toString()){
return `The list of numbers "${arr.join(', ')}" is in ascending order`;
}
else if(arr.toString()===copy.sort((a,b) => b-a).toString()){
return `The list of numbers "${arr.join(', ')}" is in DESCENDING order not ascending order`
}
else {
return `The list of numbers "${arr.join(', ')}" is not in ascending order`
}
}
console.log(inAscOrder([1,2,4,7,19])); // returns true
console.log(inAscOrder([1,2,3,4,5])); // returns true
console.log(inAscOrder([1,6,10,18,2,4,20])); // returns false
console.log(inAscOrder([9,8,7,6,5,4,3,2,1]));
JavaScript
INFO