javascript for loop
var colors=["red","blue","green"];
for (let i = 0; i < colors.length; i++) {
console.log(colors[i]);
}javascript for loop
var colors=["red","blue","green"];
for (let i = 0; i < colors.length; i++) {
console.log(colors[i]);
}javascript loop
let array = ["foo", "bar"]
let low = 0; // the index to start at
let high = array.length; // can also be a number
/* high can be a direct access too
the first part will be executed when the loop starts
for the first time
the second part ("i < high") is the condition
for it to loop over again.
the third part will be executen every time the code
block in the loop is closed.
*/
for(let i = low; i < high; i++) {
// the variable i is the index, which is
// the amount of times the loop has looped already
console.log(i);
console.log(array[i]);
} // i will be incremented when this is hit.
// output:
/*
0
foo
1
bar
*/JavaScript Loop
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Basic for loop example improved</title>
<style>
</style>
</head>
<body>
<p></p>
<script>
const cats = ['Bill', 'Jeff', 'Pete', 'Biggles', 'Jasmin'];
let info = 'My cats are called ';
const para = document.querySelector('p');
for(let i = 0; i < cats.length; i++) {
if(i === cats.length - 1) {
info += 'and ' + cats[i] + '.';
} else {
info += cats[i] + ', ';
}
}
para.textContent = info;
</script>
</body>
</html>Copyright © 2021 Codeinu
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