how to sort an array in javascript
const points = [40, 100, 1, 5, 25, 10];
points.sort(function(a, b){return a - b}); // for ascending
//another way for ascending
points.sort((a,b)=>{
if(a>b){
return 1
}else if(a<b){
return -1
}else{
return 0
}
})
points.sort(function(a, b){return b - a}); // for descending
//another way for descending
points.sort((a,b)=>{
if(a>b){
return -1
}else if(a<b){
return 1
}else{
return 0
}
})sorting in js
var arr = [23, 34343, 1, 5, 90, 9]
//using forEach
var sortedArr = [];
arr.forEach(x => {
if (sortedArr.length == 0)
sortedArr.push(x)
else {
if (sortedArr[0] > x) sortedArr.unshift(x)
else if (sortedArr[sortedArr.length - 1] < x) sortedArr.push(x)
else sortedArr.splice(sortedArr.filter(y => y < x).length, 0, x)
}
})
console.log(sortedArr);
// using sort method
console.log(arr.sort((a,b)=>{
return a-b;
}));Copyright © 2021 Codeinu
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