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dom-query-js.html
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dom-query-js.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>DOM: Query and Modify</title>
</head>
<body>
<h1 id="main-header">Hello World!</h1>
<ul>
<li data-dbid="1">Item 1</li>
<li data-dbid="2">Item 2</li>
<li data-dbid="3">Item 3</li>
<li data-dbid="4">Item 4</li>
<li data-dbid="5">Item 5</li>
</ul>
<h2 id="sub-header">Hello Again.</h2>
<p class="sub-paragraph">
Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do
eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim
ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut
aliquip ex ea commodo consequat. Duis aute irure dolor in
reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla
pariatur. Excepteur sint occaecat cupidatat non proident, sunt in
culpa qui officia deserunt mollit anim id est laborum.
</p>
<script>
"use strict";
// TODO: Uncomment next line and get the main header element by id
(function() {
var mainHeader = document.getElementById("main-header");
console.log(mainHeader);
})();
// TODO: Set inner html of mainHeader to "JavaScript is Cool"
(function(){
var mainHeader = document.getElementById("main-header");
mainHeader.innerHTML = "Javascript is Cool";
console.log(mainHeader.innerHTML);
})();
// TODO: Uncomment the next line and get the sub header element by id
(function() {
var subHeader = document.getElementById("sub-header");
console.log(subHeader)
})();
// TODO: Set the text color of subHeader to blue
(function(){
let subHeader = document.getElementById("sub-header");
subHeader.style.color = "#0000FF";
})();
// TODO: Uncomment the next line and get all list items
(function(){
var listItems = document.getElementsByTagName("li");
console.log(listItems);
})();
//TODO: Set text color on every other list item to grey
(function(){
var listItem = document.getElementsByTagName("li")[1];
listItem.style.color = "lightgrey";
})();
// TODO: Set text color of li with dbid = 1 to blue
(function() {
var listItem = document.getElementsByTagName("li")[0];
listItem.style.color = "#0000FF";
})();
// TODO: Uncomment the next line and get all elements with class name sub-paragraph
(function(){
var subParagraphs = document.getElementsByClassName("sub-paragraph");
console.log(subParagraphs);
})();
// TODO: Change the text in the first sub paragraph to "Mission Accomplished!"
(function(){
var subTwo = document.getElementsByClassName("sub-paragraph");
subTwo.innerText = "Mission Accomplished";
console.log(subTwo);
})();
</script>
<button id="btn-1">one</button>
<button id="btn-2">two</button>
<button id="btn-3">three</button>
<button id="btn-4">four</button>
<button id="btn-5">five</button>
<script>
var listenUp = function (){
alert ("This is button number 1");
}
document.getElementById("btn-1").addEventListener("click", listenUp);
var lookAtThis = function(){
alert("I see you about to click this button 👀")
};
document.getElementById("btn-2").addEventListener("mouseover", lookAtThis);
</script>
</body>
</html>