javascript array
//create an array like so:
var colors = ["red","blue","green"];
//you can loop through an array like this:
for (var i = 0; i < colors.length; i++) {
console.log(colors[i]);
}javascript array
//create an array like so:
var colors = ["red","blue","green"];
//you can loop through an array like this:
for (var i = 0; i < colors.length; i++) {
console.log(colors[i]);
}array javascript
//Their are no lists in javascript, they are called arays,wich are basically the same thing
var fruits = ['Apple', 'Banana'];
console.log(fruits.length);
// 2
var first = fruits[0];
// Apple
var last = fruits[fruits.length - 1];
// Banana
fruits.forEach(function(item, index, array) {
console.log(item, index);
});
// Apple 0
// Banana 1
var newLength = fruits.push('Orange');
// ["Apple", "Banana", "Orange"]
var last = fruits.pop(); // deletes orange
// ["Apple", "Banana"];
var first = fruits.shift(); // supprime Apple (au début)
// ["Banana"];
var newLength = fruits.unshift('Strawberry') // adds to the start
// ["Strawberry", "Banana"];
fruits.push('Mango');
// ["Strawberry", "Banana", "Mango"]
var pos = fruits.indexOf('Banana');
// 1
var removedItem = fruits.splice(pos, 1); // deletes on element at the position pos
//removes one element at the position pos
// ["Strawberry", "Mango"]
var vegetables = ['Cabbage', 'Turnip', 'Radish', 'Carrot'];
console.log(vegetables);
// ["Cabbage", "Turnip", "Radish", "Carrot"]
var pos = 1, n = 2;
var removedItems = vegetables.splice(pos, n);
// n defines the number of element to delete starting from pos
console.log(vegetables);
// ["Cabbage", "Carrot"]
console.log(removedItems);
// ["Turnip", "Radish"] (splice returns list of deleted objects)array in javascript
var colors = ["red","blue","green"];
//you can loop through an array like this:
for (var i = 0; i < colors.length; i++) {
document.write(colors[i]);//printing elements of the array
}
colors.push("pink");//adds element to array;
colors.pop(); // removes last element of the array
colors.shift("purple","aqua");//adds one or more items at the front of the array
color.reverse();//reverses the array
var g=color.indexOf("green");//returns index of value
var c= color.includes("red");//to search for an element
color.slice();//splits the array
color.sort() ; //sorts the arrayjavascript array
//An array is a list of thing, you can add as many things as you want
var food = ["cake", "apple", "Ice-Cream"]
//You can use Math.Random to pick a random number
//from one to the length of the array
var Number = [Math.floor(Math.random() * food.length)];
//then we can console.log the random word from the array
console.log(logammounts[woodloot])tableau javascript
console.log(arr.0); // erreur de syntaxeCopyright © 2021 Codeinu
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