loop through an array in js

var data = [1, 2, 3, 4, 5, 6];

// traditional for loop
for(let i=0; i<=data.length; i++) {
  console.log(data[i])  // 1 2 3 4 5 6
}

// using for...of
for(let i of data) {
	console.log(i) // 1 2 3 4 5 6
}

// using for...in
for(let i in data) {
  	console.log(i) // Prints indices for array elements
	console.log(data[i]) // 1 2 3 4 5 6
}

// using forEach
data.forEach((i) => {
  console.log(i) // 1 2 3 4 5 6
})
// NOTE ->  forEach method is about 95% slower than the traditional for loop

// using map
data.map((i) => {
  console.log(i) // 1 2 3 4 5 6
})

4
1
Awgiedawgie 440215 points

                                    int[] numbers = {1,2,3,4,5};
for (int i = 0; i &lt; numbers.length; i++) {
	System.out.println(i);
}

4 (1 Votes)
0
0
7
Awgiedawgie 440215 points

                                    var array = ['Volvo','Bmw','etc'];
for(var seeArray of array){
    console.log(seeArray);
}

0
0
3.5
2
Awgiedawgie 440215 points

                                    let exampleArray = [1,2,3,4,5]; // The array to be looped over

// Using a for loop
for(let i = 0; i &lt; exampleArray.length; i++) {
    console.log(exampleArray[i]); // 1 2 3 4 5
}

3.5 (2 Votes)
0
4.5
2
Phoenix Logan 186120 points

                                    [1,2,3,4,&quot;df&quot;].forEach((value, index) =&gt; console.log(index,value));
output
0 1
1 2
2 3
3 4
4 'df'

4.5 (2 Votes)
0
4
9
Awgiedawgie 440215 points

                                    var myStringArray = [&quot;Hello&quot;,&quot;World&quot;];
var arrayLength = myStringArray.length;
for (var i = 0; i &lt; arrayLength; i++) {
    console.log(myStringArray[i]);
    //Do something
}

4 (9 Votes)
0
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