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var colors= ["red","blue"];
colors.push("yellow"); //["red","blue","yellow"]
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const array1 = ['a', 'b', 'c'];
const array2 = ['d', 'e', 'f'];
const array3 = array1.concat(array2);
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const fruits = ["Banana", "Orange", "Apple", "Mango"];
fruits.push("Kiwi");
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//adding items to array
objects = [];
objects.push("you can add a string,number,boolean,etc");
//if you more stuff in a array
//before i made a error doing value = : value
objects.push({variable1 : value, variable2 : value);
//we do the {} so we tell it it will have more stuff and the variable : value
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var arr1 = ["Hello"," "];
var arr2 = ["World","!"];
var both = arr1.concat(arr2);
//both = ["Hello"," ","World","!"];