loop array
let arr = ['js', 'python', 'c++', 'dart']
// no 1
for (item of arr) {
console.log(item);
}
// no 2
for (var item = 0; item < arr.length; item++) {
console.log(arr[i]);
}
// no 3
arr.forEach(item=>{
console.log(item);
})
// no 4
arr.map(item=>{
console.log(item);
})
// no 5
var item = 0;
while (item < arr.length) {
console.log(arr[item]);
item++;
}arrays with for loops
// Another way to write search that combines
// the "end of array" and "found" logic in one
// while loop. As a matter of style, we prefer
// the above version that uses the standard
// for-all loop.
public int searchNotAsGood(int[] nums, int target) {
int i = 0;
while (i<nums.length && nums[i]!=target) {
i++;
}
// get here either because we found it, or hit end of array
if (i==nums.length) {
return -1;
}
else {
return i;
}
}Copyright © 2021 Codeinu
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