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29.array_traversing.js
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29.array_traversing.js
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// array traversing
var arr = [1, 3, 5, 4, 6, 8]
for (var i = 0; i < arr.length; i++){
console.log(arr[i])
}
// array traversing add
var arr = [1, 3, 5, 4, 6, 8]
for (var i = 0; i < arr.length; i++){
arr[i] = arr[i] + 2
}
console.log(arr)
// adding
var sum = 0
for (var i = 0; i < arr.length; i++) {
sum+=arr[i]
}
console.log(sum)
// array traversing even number
var arr = [1, 3, 5, 4, 6, 8]
for (var i = 0; i < arr.length; i++){
if (arr[i] % 2 === 0 ){
console.log(arr[i])
}
}
// array traversing even number
var arr = [1, 3, 5, 4, 6, 8]
var sum = 0
for (var i = 0; i < arr.length; i++){
if (arr[i] % 2 === 0 ){
sum += arr[i]
}
}
console.log(sum)
// array traversing odd number
var arr = [1, 3, 5, 4, 6, 8]
for (var i = 0; i < arr.length; i++){
if (arr[i] % 2 === 1 ){
console.log(arr[i])
}
}
// array traversing odd number
var arr = [1, 3, 5, 4, 6, 8]
var sum = 0
for (var i = 0; i < arr.length; i++){
if (arr[i] % 2 === 1 ){
sum += arr[i]
}
}
console.log(sum)
//array push even number
var arr = [1, 3, 5, 4, 6, 8]
var sum = []
for (var i = 0; i < arr.length; i++) {
if ( arr[i] % 2 === 0) {
sum.push(arr[i])
}
}
console.log(sum)
//array push in odd number
var arr = [1, 3, 5, 4, 6, 8]
var sum = []
for (var i = 0; i < arr.length; i++) {
if ( arr[i] % 2 === 1) {
sum.push(arr[i])
}
}
console.log(sum)