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 of objects javascript
var widgetTemplats = [
{
name: 'compass',
LocX: 35,
LocY: 312
},
{
name: 'another',
LocX: 52,
LocY: 32
}
]
return object list in find js
const inventory = [
{name: 'apples', quantity: 2},
{name: 'bananas', quantity: 0},
{name: 'cherries', quantity: 5}
];
function isCherries(fruit) {
return fruit.name === 'cherries' && fruit.name === 'bananas';
}
console.log(inventory.find(isCherries));
// { name: 'cherries', quantity: 5 }
javascript array read object value in array
var events = [
{
userId: 1,
place: "Wormholes Allow Information to Escape Black Holes",
name: "Check out this recent discovery about workholes",
date: "2020-06-26T17:58:57.776Z",
id: 1
},
{
userId: 1,
place: "Wormholes Allow Information to Escape Black Holes",
name: "Check out this recent discovery about workholes",
date: "2020-06-26T17:58:57.776Z",
id: 2
},
{
userId: 1,
place: "Wormholes Allow Information to Escape Black Holes",
name: "Check out this recent discovery about workholes",
date: "2020-06-26T17:58:57.776Z",
id: 3
}
];
console.log(events[0].place);
how to make a array in javascript
//Im using a let type variable for the example because it's what i reccomend
let exampleArray = ["Example", "Lorem Ispum Dolor", "I think you've got it"]
//Here's how you select a single object in the list
exampleArray[1]
/*In Javascript the arrays start counting at 0 which means i selected the 2nd
object in the list(Lorem Ispum Dolor) so if i wanna select the first array i
must type*/
exampleArray[0]
/*Now let's say you want to display it on the console, like let's say you are
coding in Node.js and you wanna see the value of the array.
P.S: In the example im gonna show all the values of the array.*/
console.log(exampleArray[0, 1, 2]
get item in array from index
var valueAtIndex1 = myValues[1];
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