install npm ubuntu
sudo apt update
sudo apt install nodejs
sudo apt install npm
install npm ubuntu
sudo apt update
sudo apt install nodejs
sudo apt install npm
linux install node
sudo apt install nodejs
npm inatall latest version ubuntu
// update latest version NPM
sudo npm install -g npm@latest
//update to next version NPM
sudo npm install -g npm@next
install node and npm ubuntu
curl -sL https://deb.nodesource.com/setup_12.x | sudo -E bash -
sudo apt install -y nodejs
javascript range
[...Array(5).keys()];
=> [0, 1, 2, 3, 4]
function range() as range js
function range(start, end) {
/* generate a range : [start, start+1, ..., end-1, end] */
var len = end - start + 1;
var a = new Array(len);
for (let i = 0; i < len; i++) a[i] = start + i;
return a;
}
js range
for (i of range(1, 5)) {
console.log(i);
}
/* Output
* 1 2 3 4 5 */
[...range(1, 5)] // [1, 2, 3, 4, 5]
javascript range
function range(start, stop, step = 1, circularFill = false, map = (value) => value) {
if (typeof stop === 'undefined') {
stop = start;
start = 0;
}
if (step > 0 && start >= stop) {
step = -step;
}
if (step < 0 && start <= stop) {
return [];
}
let index = start;
const result = [];
if (circularFill) {
const size = start + stop;
for (index; step > 0 ? index < size : index > size; index += step) {
result.push(map(index % stop));
}
return result;
}
for (index; step > 0 ? index < stop : index > stop; index += step) {
result.push(map(index));
}
return result;
}
// Range examples:
range(8)
// [0, 1, 2, 3, 4, 5, 6, 7]
range(-8)
// [0, -1, -2, -3, -4, -5, -6, -7]
range(25, 30, 2);
// [25, 27, 29]
range(-25, -30, -2);
// [-25, -27, -29]
range(5, 10, 1, true)
// [5, 6, 7, 8, 9, 0, 1, 2, 3, 4]
range(-5, -10, -1, true)
// [-5, -6, -7, -8, -9, -0, -1, -2, -3, -4]
function rangeChars(text, start, stop, step, circularFill, map = (value) => value) {
start = text.indexOf(start);
stop = text.indexOf(stop) + 1;
return range(start, stop, step, circularFill, (i) => {
return map(text[i]);
});
}
rangeChars('shooooouuut!!!!', 'o', '!');
// ["o", "o", "o", "o", "o", "u", "u", "u", "t", "!"]
range command in JS
function range(start, end) {
return (new Array(end - start + 1)).fill(undefined).map((_, i) => i + start);
}
Copyright © 2021 Codeinu
Forgot your account's password or having trouble logging into your Account? Don't worry, we'll help you to get back your account. Enter your email address and we'll send you a recovery link to reset your password. If you are experiencing problems resetting your password contact us