WEBVTT 00:01.260 --> 00:05.410 We have already talked about that almost everything is an object in JavaScript. 00:06.240 --> 00:12.720 So what does it mean when we say almost you already know that there are two types of data in JavaScript, 00:13.440 --> 00:22.980 primitives like strings, numbers, booleans, undefined and no and non primitives like arrays, functions, 00:22.980 --> 00:25.530 objects, dates and etc.. 00:26.310 --> 00:32.010 So when we say that everything is an object in JavaScript, it means that everything except primitive 00:32.010 --> 00:33.360 data is an object. 00:34.600 --> 00:41.410 All right, let's go to Brackett's and using some practical examples of that fact, at first I'm going 00:41.410 --> 00:43.990 to use an example regarding a race. 00:44.350 --> 00:54.190 So let's create a simple array right of equals and pass are the numbers as items one, two and three. 00:55.210 --> 00:59.490 As we know, we can add another item on the fly using the following method. 01:00.040 --> 01:07.780 We need to write a rate that inside the square brackets, we need to indicate the index number in this 01:07.780 --> 01:15.310 case three, because we're going to add new item as the fourth item and then equals four. 01:18.220 --> 01:21.940 Let's check it in Castle, right, Castle, that look right. 01:25.230 --> 01:25.790 Reload. 01:27.120 --> 01:31.140 So you see that new item as a fourth member is added to the array. 01:32.130 --> 01:39.630 OK, generally, when we deal with objects and want to add properties and methods to them for that, 01:39.630 --> 01:45.950 we can use DOT or notation in order to prove that array is an object. 01:45.990 --> 01:49.310 I'm going to add a new item to it as a property. 01:50.040 --> 01:54.090 So right away, dot prop. 01:56.650 --> 01:57.530 Equals two. 01:57.600 --> 01:58.000 Hello. 02:00.580 --> 02:01.120 Reload. 02:02.690 --> 02:09.740 And you can see that hello is a part of the al, right, and it looks like as a prop., it's not added 02:09.740 --> 02:11.590 as usual, array item. 02:12.230 --> 02:19.490 If we drop down it, you will see that the length prop. indicates that this array has four items and 02:19.490 --> 02:20.270 not five. 02:22.430 --> 02:27.120 If we want to access on hello, we cannot do it using index numbers. 02:27.500 --> 02:30.650 We need to use dot notation or notation. 02:31.100 --> 02:35.330 So if we write in council a right dot prop. 02:38.040 --> 02:39.510 Then we will get hello. 02:41.900 --> 02:45.410 So this little example proves that a right is an object. 02:47.200 --> 02:47.680 All right. 02:49.290 --> 02:56.370 Now, let's move on and talk about functions, functions like arrays are objects you can attach to it 02:56.370 --> 03:00.420 as a property, primitive objects or another function. 03:01.080 --> 03:05.310 But the main difference between functions and objects is that functions are invaluable. 03:05.880 --> 03:08.340 In order to execute the code, we need to call them. 03:09.600 --> 03:11.310 Let's see some examples at first. 03:11.710 --> 03:16.920 Let's get rid of these codes and write function A. 03:20.230 --> 03:22.370 And then he said the cool braces, right? 03:22.510 --> 03:24.280 Castle looked like a lot. 03:28.950 --> 03:35.840 So here we have a simple function and now I'm going to attach to it a prop. at first as primitive, 03:36.480 --> 03:45.780 and in this case, let's use bracket notation, right aid, then open square brackets and right prop 03:46.230 --> 03:51.540 as a prop. within single quotes and then equals to high. 03:55.250 --> 04:01.730 OK, now let's add object as a property, right, a dot object. 04:03.430 --> 04:09.280 And create a simple object right here, property great with the value. 04:09.320 --> 04:09.700 Hey. 04:14.320 --> 04:22.900 And also, I'm going to attach to function a another function as a method, so write a dot my function. 04:24.540 --> 04:27.120 Equals right here, anonymous function. 04:29.580 --> 04:33.570 And then inside the school braces, I'd consider log. 04:35.840 --> 04:36.260 Although. 04:39.850 --> 04:47.320 Reload, you see that the function is created on global level, so let's check a window object right 04:47.320 --> 04:48.430 window in Castle. 04:51.100 --> 04:52.660 Then dropped down it. 04:55.000 --> 05:02.530 So here we have the function eight, if we drop down it as well, you can see that all of this stuff 05:03.790 --> 05:10.750 which we have written is added to function A my function is attached to it as a method. 05:11.890 --> 05:20.140 Also, we have here object as a property and then we have another property as a primitive high. 05:21.730 --> 05:29.920 So when we attached them to the function eight, they became the parts of it again, as it was in case 05:29.920 --> 05:30.520 of arrays. 05:30.910 --> 05:33.670 It proves that functions are objects as well. 05:35.230 --> 05:35.770 All right. 05:36.810 --> 05:43.730 I think that it was interesting to know such stuff is very important in other programming languages, 05:43.740 --> 05:49.440 it's not possible to act arrays and functions like objects, but in JavaScript it's possible because, 05:49.440 --> 05:51.750 as we said, they are special type of objects. 05:52.830 --> 05:58.110 Objects and functions have very close connection to each other, especially when we deal with advanced 05:58.110 --> 06:02.020 JavaScript and will be able to see definitely incoming videos. 06:02.640 --> 06:03.240 Let's move on.