Styling in JavaScriptAdvance improved

Swap76 · Swap76 · commit ad22871b5ab3 · 2019-12-06T19:57:50.000+05:30
diff --git a/docs/JavaScript_Advance/AJAX.md b/docs/JavaScript_Advance/AJAX.md
@@ -45,8 +45,4 @@ Example:
   }
 })();
 </script>
-```
-
-Reference: 
-- https://developer.mozilla.org/en-US/docs/Web/Guide/AJAX/Getting_Started
-- https://www.ibm.com/support/knowledgecenter/SS8PJ7_9.6.1/com.ibm.etools.webtoolscore.doc/topics/cajax.html
+```
diff --git a/docs/JavaScript_Advance/BOM_functions.md b/docs/JavaScript_Advance/BOM_functions.md
@@ -1,4 +1,37 @@
-# BOM objects: screen / location
+## History API [MDN](https://developer.mozilla.org/ru/docs/Web/API/History)
+
+Interface manipulates browser history in the session borders
+
+Fields
+
+-   {length} integer amount of elements in session history
+-   {state} field stories state existed page
+
+Methods
+
+-   {go} method loads a page from the session history with integer args
+-   {back} method goes to the previous page in session history the same as history.go(-1)
+-   {forfard} method goes to the next page in session history the same as history.go(1)
+-   {pushState} method pushes the given data onto the session history stack with the specified title and, if provided, URL
+-   {replaceState} updates the most recent entry on the history stack to have the specified data, title, and, if provided, URL
+
+## Navigator API [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Navigator)
+
+provides the user-agent information
+
+-   {userAgent} user agent string for the current browser
+-   {language} language of the browser UI
+-   {languages} list of languages known to the user
+
+Also contains a lot of user-agent information related to:
+
+-   media devices
+-   bluetooth
+-   usb
+-   geo location
+    -- etc.
+
+##### {serviceWorker} provides access to registration, removal, upgrade, and communication with service worker
 
 ## Screen [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Screen)
 
diff --git a/docs/JavaScript_Advance/BOM_functions_1.md b/docs/JavaScript_Advance/BOM_functions_1.md
diff --git a/docs/JavaScript_Advance/JSON.md b/docs/JavaScript_Advance/JSON.md
@@ -2,11 +2,11 @@
 JSON is a syntax for storing and exchanging data
 Since the JSON format is text only, it can easily be sent to and from a server, and used as a data format by any programming language
 
-### Where JSON is used
+## Where JSON is used
 
 The JSON format is often used for serializing and transmitting structured data over a network connection. It is used primarily to transmit data between a server and web application, serving as an alternative to XML.
 
-### How to use JSON 
+## How to use JSON 
 
 JSON data is normally accessed in Javascript through dot notation
 
diff --git a/docs/JavaScript_Advance/async_await.md b/docs/JavaScript_Advance/async_await.md
@@ -1,4 +1,4 @@
-### Async Await
+# Async Await
 
 `async` and `await` is **syntactic sugar** for using `promises`. That means that the `async` and `await` keywords are transpiled to normal `promise` syntax.
 
diff --git a/docs/JavaScript_Advance/default_values.md b/docs/JavaScript_Advance/default_values.md
diff --git a/docs/JavaScript_Advance/dom_manipulation_html.md b/docs/JavaScript_Advance/dom_manipulation_html.md
@@ -1,11 +1,11 @@
-# Top most tree nodes
+## Top most tree nodes
 
 All operations on the DOM start with the **document** object. That's the main 'entry point' to DOM. From this tree we can access any node. The topmost tree nodes are available directly as document properties:
 - **html**
 - **body**
 - **head**
 
-# DOM navigation
+## DOM navigation
 
 ### Children
 - Children are nested exactly in the given one parent. For instance, `<head>` and `<body>` are children of `<html>` element. 
@@ -28,7 +28,7 @@ All operations on the DOM start with the **document** object. That's the main 'e
 - The reason is that the root node `document.documentElement` (`<html>`) has `document` as its parent. But `document`is not an element node, so `parentNode` returns it and `parentElement` does not.
 
 
-# DOM collections
+## DOM collections
 - **ChildNodes** returns iterable array-like object.
 - We can use for...of loop to iterate over it. Though array methods are not applicable. However `Array.from()` can be used to convert it to a real array.
 - These collections are live and read-only. That means they reflect current state of the DOM and can not be altered or reassigned again.
diff --git a/docs/JavaScript_Advance/eventloop.md b/docs/JavaScript_Advance/eventloop.md
diff --git a/docs/JavaScript_Advance/json_parse_and_stringify.md b/docs/JavaScript_Advance/json_parse_and_stringify.md
@@ -1,4 +1,4 @@
-# JSON Parse and Stringify
+## JSON Parse
 
 The `JSON.parse()` method parses a JSON string, which turns the JSON string into an object.
 
@@ -13,7 +13,7 @@ let catFacts = await fetch(catFactsEndpoint);
 let parsedCatFacts = await catFacts.json();
 ```
 
-# JSON Stringify
+## JSON Stringify
 
 The `JSON.stringify()` method turns a JavaScript object into a JSON string. `JSON.Stringify` takes 3 arguments:
 
diff --git a/docs/JavaScript_Advance/object_assign.md b/docs/JavaScript_Advance/object_assign.md
@@ -35,6 +35,4 @@ console.log(object1);
 // expected output: { key: "newValue" }
 console.log(object2);
 // expected output: { key: "reallyNewValue" }
-```
-
-***An Exhaustive reference for Object.assign() and other object methods can be found at [MDN](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/assign)***
+```
diff --git a/docs/JavaScript_Advance/postgres_connection.md b/docs/JavaScript_Advance/postgres_connection.md
@@ -1,7 +1,7 @@
 # PostgreSQL
 PostgreSQL is an open source object-relational database system with over 30 years of active development.
 
-# Configuration
+## Configuration
 To connect with your database you need to modify `configuration` object and fill specific fields with your database connection data.
 
 There are two basic ways to connect to your database:
@@ -34,7 +34,7 @@ Mine configuration object looks like:
 **REMEMBER!** As you can see, above connection URI contains connection password: `NWDMCE...`. DO NOT commit any connection information (host, user, password, database, connection URI) to public repositories on GitHub, etc.!
 In this case we can do that because above connection information are publicly available and user has read-only access.
 
-# CODE'n'RUN
+## CODE'n'RUN
 In this example we will use async/await approach.
 
 For first we need to create Client object:
@@ -62,7 +62,7 @@ await client.end();
 It is short sample with basic query to database. Now you can run our script in terminal: `node postgresConnection.js`
 Look at the next section for more information about postgres node client and sql.
 
-# Helpful links
+## Helpful links
 * [Postgres](https://www.postgresql.org/)
 * [Node Postgres](https://node-postgres.com/)
 * [SQL Tutorial](https://www.w3schools.com/sql/)
diff --git a/docs/JavaScript_Advance/set_object.md b/docs/JavaScript_Advance/set_object.md
@@ -5,7 +5,6 @@ which iterate the values in insertion order.
 
 ## Creating Sets
 
-
 The Set object can be created using the keyword ***new***:
 ```javascript
 new Set([iterable]);
@@ -18,10 +17,8 @@ An iterable object. All the elements will be copied to the new created Set. If t
 ### Return value
 A new Set object.
 
-
 ## Instance Methods
 
-
 `set.add(value)`
 *Adds* a new element to the Set with the given *value*. If the element is already contained in the Set, the element will be not added.
 
@@ -49,6 +46,5 @@ Return an interator that contains the values for each element in the Set object
 `set.keys()`
 The same as ***set.values()***.
 
-
 ## Examples
 Examples can be consulted in the corresponding "***set-objects.js***" file.
diff --git a/docs/JavaScript_Advance/timer_function.md b/docs/JavaScript_Advance/timer_function.md
@@ -45,7 +45,7 @@ Heloooo 7!!!
 
 ```
 
-  ## Stopping the timer or Cancelling the setTimeout method
+## Stopping the timer or Cancelling the setTimeout method
 
 We can stop execution of `setTimeout()` using `clearTimeout` method.  This can only be done if the function has not already been executed. It uses the variable returned from `setTimeout()`
 

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-### Async Await`
	`1`	`+# Async Await`
`2`	`2`
`3`	`3`	`async` and `await` is syntactic sugar for using `promises`. That means that the `async` and `await` keywords are transpiled to normal `promise` syntax.
`4`	`4`