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getElementById
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‎01_getElementById.js‎

Lines changed: 10 additions & 22 deletions
Original file line numberDiff line numberDiff line change
@@ -1,24 +1,12 @@
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// getElementById() for select only id on html
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// for giving effect too
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// getElementById for id
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// u can apply effect or whatever u want
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// u should use declare variable because if multiple is very efisien
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const title = document.getElementById('title');
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title.style.color = 'blue'; //change h1 title be blue
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title.style.textTransform = 'uppercase'; //be uppercase
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// if not declare and use multiple method not efisien and code be long
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// document.getElementById('title').style.color = 'coral';
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// document.getElementById('title').style.textTransform = 'uppercase';
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// container & btn
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const container = document.getElementById('container');
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const button = document.getElementById('btn');
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// change #container background be dark
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const background = document.getElementById('container');
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background.style.background = '#333';
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container.style.background = '#333';
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container.style.width = '400px';
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button.style.textTransform = 'uppercase';
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button.style.fontSize = '1.25rem';
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button.style.background = '#ddd';
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button.style.color = '#333';
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button.style.margin = '0.75rem';
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// change title h2 color be white, uppercase,padding
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const title = document.getElementById('title');
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title.style.color = '#fff';
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title.style.textTransform = 'uppercase';
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title.style.padding = '1.25rem';

‎index.html‎

Lines changed: 6 additions & 68 deletions
Original file line numberDiff line numberDiff line change
@@ -15,81 +15,19 @@
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</style>
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</head>
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<body>
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<!-- 1 getElementById() -->
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<!-- <div class="container" id="container">
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<h1 id="title">Hello there</h1>
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<a href="#" id="btn">example</a>
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</div> -->
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<!-- 2 getElementByTagName
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<h2>Hello There</h2>
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<h2>Hello There-2</h2>
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<ul>
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<li>lutfy</li>
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<li>zoro</li>
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<li>sanji</li>
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</ul> -->
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<!-- 3 getElementByClassName
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<ul>
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<li class="special">Lutfi</li>
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<li class="special">Zoro</li>
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<li class="special">Sanji</li>
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</ul> -->
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<!-- 4 querySelector
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<ul id="listItem">
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<h2>SHP</h2>
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<li class="shp">luffy</li>
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<li class="shp">zoro</li>
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<li class="shp">sanji</li>
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<h2>RHP</h2>
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<li class="rhp">shanks</li>
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<li class="rhp">benbackman</li>
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<li class="rhp">yasop</li>
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</ul> -->
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<!-- 5 children
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<ul id="result">
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<h2 class="title">Okeee</h2>
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<li>hello</li>
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<li>hello2</li>
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</ul> -->
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<!-- 6 parentElement
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<div class="container">
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<h3>this is a hello world</h3>
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<h2>hello world by dncode</h2>
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<p>
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Lorem ipsum dolor, sit amet consectetur adipisicing elit. Alias,
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distinctio!
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</p>
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</div> -->
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<!-- 7 NextSibling, Previous Sibling
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<ul id="result">
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<li>hello1</li>
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<li>hello2</li>
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<li id="last">hello3</li>
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</ul> -->
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<!-- <h1>hohoho</h1> -->
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<!-- NextElementSibling , previouselement
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<ul id="result">
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<li>hello1</li>
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<li>hello2</li>
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<li id="last">hello3</li>
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</ul> -->
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<!-- getElementById for id -->
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<div id="container">
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<h2 id="title">Hello World</h2>
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</div>
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<!-- source js -->
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<!-- <script src="https://github.com/01_getElementById.js"></script> -->
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<script src="/01_getElementById.js"></script>
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<!-- <script src="/02_getElementByTagName.js"></script> -->
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<!-- <script src="/03_getElementByClassName.js"></script> -->
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<!-- <script src="/04_querySelector.js"></script> -->
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<!-- <script src="/05_children.js"></script> -->
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<!-- <script src="/06_parentElement.js"></script> -->
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<!-- <script src="/07_nextSibling_previous.js"></script> -->
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<script src="/08_nextElementSibling_previous.js"></script>
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<!-- <script src="https://github.com/08_nextElementSibling_previous.js"></script> -->
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<!-- <script src="/09_textContent.js"></script> -->
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<!-- <script src="/10_getAttribute.js"></script> -->
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</body>

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