code-boxx/0-JS-NESTED-ARRAY

## 0-JS-NESTED-ARRAY
## JAVASCRIPT NESTED ARRAY CREATE PUSH POP LOOP
https://code-boxx.com/javascript-nested-array/

## LICENSE
Copyright by Code Boxx

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

## 1-create-nested.html
<!DOCTYPE html>
<html>
  <head>
    <title>Js Nested Array</title>
    <script>
    // (A) NESTED ARRAY
    var arr = [
      "Foo Bar",                  // first - string
      123,                        // second - number
      true,                       // third - boolean
      ["Hello", "World"],         // forth - array
      { name:"Jon", gender:"M" }, // fifth - object
      text => alert(text)   // sixth - function
    ];

    // (B) THE ELEMENTS
    console.log(arr[0]); // Foo Bar
    console.log(arr[1]); // 123
    console.log(arr[2]); // true
    console.log(arr[3]); // ["Hello", "World"]
    console.log(arr[4]); // { name : "Jon", gender : "M" }
    console.log(arr[5]); // text => alert(text)
    </script>
  </head>
  <body></body>
</html>

## 2-access-nested.html
<!DOCTYPE html>
<html>
  <head>
    <title>Js Nested Array</title>
    <script>
    // (A) NESTED ARRAY
    var arr = [
      ["Foo", "Bar"],
      { name : "Jon", gender : "M" },
      text => alert(text)
    ];

    // (B) FIRST ELEMENT - ARR[0] IS AN ARRAY
    console.log(arr[0][0]); // Foo
    console.log(arr[0][1]); // Bar

    // (C) SECOND ELEMENT - ARR[1] IS AN OBJECT
    console.log(arr[1]["name"]); // Jon
    console.log(arr[1]["gender"]); // M

    // (D) THIRD ELEMENT - ARR[2] IS A FUNCTION
    arr[2]("TEST!"); // TEST!
    </script>
  </head>
  <body></body>
</html>

## 3-push-pop-nested.html
<!DOCTYPE html>
<html>
  <head>
    <title>Js Nested Array</title>
    <script>
    // (A) NESTED ARRAY
    var arr = [
      ["Apple", "Banana"],
      ["Hello", "World"]
    ];

    // (B) POP - REMOVE LAST ELEMENT
    arr.pop();
    console.log(arr); // [["Apple", "Banana"]]

    // (C) PUSH - ADD ELEMENT
    arr.push(["Job", "Jon"]);
    console.log(arr); // [["Apple", "Banana"], ["Job", "Jon"]]

    // (D) POP NESTED
    arr[1].pop();
    console.log(arr); // [["Apple", "Banana"], ["Job"]]

    // (E) PUSH NESTED
    arr[1].push("Joy");
    console.log(arr); // [["Apple", "Banana"], ["Job", "Joy"]]
    </script>
  </head>
  <body></body>
</html>

## 4-loop-nested.html
<!DOCTYPE html>
<html>
  <head>
    <title>Js Nested Array</title>
    <script>
    // (A) NESTED ARRAY
    var arr = [
      ["first", "second"],
      ["third", "forth"]
    ];

    // (B) LOOP NESTED ARRAY
    function looper (entry) {
      for (let el of entry) {
        if (Array.isArray(el)) { looper(el); }
        else { console.log(el); }
      }
    };
    looper(arr);
    </script>
  </head>
  <body></body>
</html>

## 5-check-exist.html
<!DOCTYPE html>
<html>
  <head>
    <title>Js Nested Array</title>
    <script>
    // (A) NESTED ARRAY
    var arr = [
      ["first", "second"],
      ["third", "forth"]
    ];

    // (B) LOOP NESTED ARRAY
    function checker (entry, find) {
      let result = false;
      for (let el of entry) {
        if (Array.isArray(el)) {
          result = checker(el, find);
        } else {
          if (el == find) {
            result = true;
            break;
          }
        }
      }
      return result;
    }
    var exist = checker(arr, "third");
    console.log(exist); // true
    </script>
  </head>
  <body></body>
</html>
	## JAVASCRIPT NESTED ARRAY CREATE PUSH POP LOOP
	https://code-boxx.com/javascript-nested-array/

	## LICENSE
	Copyright by Code Boxx

	Permission is hereby granted, free of charge, to any person obtaining a copy
	of this software and associated documentation files (the "Software"), to deal
	in the Software without restriction, including without limitation the rights
	to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	copies of the Software, and to permit persons to whom the Software is
	furnished to do so, subject to the following conditions:

	The above copyright notice and this permission notice shall be included in all
	copies or substantial portions of the Software.

	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
	OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	SOFTWARE.
	<!DOCTYPE html>
	<html>
	<head>
	<title>Js Nested Array</title>
	<script>
	// (A) NESTED ARRAY
	var arr = [
	"Foo Bar", // first - string
	123, // second - number
	true, // third - boolean
	["Hello", "World"], // forth - array
	{ name:"Jon", gender:"M" }, // fifth - object
	text => alert(text) // sixth - function
	];

	// (B) THE ELEMENTS
	console.log(arr[0]); // Foo Bar
	console.log(arr[1]); // 123
	console.log(arr[2]); // true
	console.log(arr[3]); // ["Hello", "World"]
	console.log(arr[4]); // { name : "Jon", gender : "M" }
	console.log(arr[5]); // text => alert(text)
	</script>
	</head>
	<body></body>
	</html>