convert to an array code example

Example 1: javascript object to array

//ES6 Object to Array

const numbers = {
  one: 1,
  two: 2,
};

console.log(Object.values(numbers));
// [ 1, 2 ]

console.log(Object.entries(numbers));
// [ ['one', 1], ['two', 2] ]

Example 2: javascript convert to array

console.log(Array.from('foo'));
// expected output: Array ["f", "o", "o"]

console.log(Array.from([1, 2, 3], x => x + x));
// expected output: Array [2, 4, 6]

Example 3: number to array js

const arrayOfDigits = numToSeparate.toString().split("");

Example 4: javascript to array

Array.from("Hello"); // ["H", "e", "l", "l", "o"]

Example 5: array from js

//Array.from() lets you create Arrays from array-like objects
//(objects with a length property and indexed elements);
//and also:

//More clearly, Array.from(obj, mapFn, thisArg)
//has the same result as Array.from(obj).map(mapFn, thisArg), 
//except that it does not create an intermediate array.
//Basically, it's a declaration that overrides the length property of the method
//(so that it has to be used with the same name length),
//setting it with the same value of the given variable. 
//The values are still undefined, it's just a different notation. Take a look:

console.log(Array.from(length, (_,i) => i));
// It doesn't works with non-iterables
// In this case we are passing an integer

console.log(Array.from({LENGTH}, (_,i) => i));
// It doesn't work with a property name different from "length"

console.log(Array.from({length}, (_,i) => i));
// It works because overrides the .length property of the array
// The method Array.from() assumes that the property...
// ...is referring to an iterable (also if not declared) 

console.log(Array.from(Array(length), (_,i) => i));
// This is the demonstration of the above assertion
// In this case we are using a declared array through...
// ...an instance of the straight method Array()...
// ...that accepts an integer as value

//in case any one reads this a got this from er0s in edabit

Example 6: convert array to array

new_images = array();
// format image before upload
for ($i = 0; $i < count($images['name']); $i++) {
  $new_images[] = array(
    'name' 		=> $images['name'][$i],
    'type' 		=> $images['type'][$i],
    'tmp_name' 	=> $images['tmp_name'][$i],
    'error' 	=> $images['error'][$i],
    'size' 		=> $images['size'][$i],
  );
}

<pre>Array
(
    [name] => Array  (
            [0] => Screen Shot 2020-10-21 at 10.44.30 AM.png
            [1] => Screen Shot 2020-10-21 at 9.56.12 AM.png )
    [type] => Array (
            [0] => image/png
            [1] => image/png )
    [tmp_name] => Array   (
            [0] => /Applications/MAMP/tmp/php/phpnlVcZU
            [1] => /Applications/MAMP/tmp/php/php1qaHkj  )
    [error] => Array (
            [0] => 0
            [1] => 0 )
    [size] => Array  (
            [0] => 61923
            [1] => 62194)

)
</pre>

// to 
<pre>Array
(
    [0] => Array (
            [name] => Screen Shot 2020-10-21 at 10.44.30 AM.png
            [type] => image/png
            [tmp_name] => /Applications/MAMP/tmp/php/phpJz6xqI
            [error] => 0
            [size] => 61923 )
    [1] => Array  (
            [name] => Screen Shot 2020-10-21 at 9.56.12 AM.png
            [type] => image/png
            [tmp_name] => /Applications/MAMP/tmp/php/phpHSBXaI
            [error] => 0
            [size] => 62194  )
)
</pre>