139 lines
2.8 KiB
Markdown
139 lines
2.8 KiB
Markdown
---
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id: 587d7fad367417b2b2512be2
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title: Change Text with click Events
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challengeType: 6
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forumTopicId: 301500
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dashedName: change-text-with-click-events
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---
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# --description--
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When the click event happens, you can use JavaScript to update an HTML element.
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For example, when a user clicks the "Get Message" button, it changes the text of the element with the class `message` to say "Here is the message".
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This works by adding the following code within the click event:
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`document.getElementsByClassName('message')[0].textContent="Here is the message";`
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# --instructions--
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Add code inside the `onclick` event handler to change the text inside the `message` element to say "Here is the message".
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# --hints--
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Your code should use the `document.getElementsByClassName` method to select the element with class `message` and set its `textContent` to the given string.
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```js
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assert(
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code.match(
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/document\s*\.getElementsByClassName\(\s*?('|")message\1\s*?\)\[0\]\s*\.textContent\s*?=\s*?('|")Here is the message\2/g
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)
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);
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```
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# --seed--
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## --seed-contents--
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```html
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<script>
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document.addEventListener('DOMContentLoaded', function(){
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document.getElementById('getMessage').onclick = function(){
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// Add your code below this line
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// Add your code above this line
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}
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});
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</script>
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<style>
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body {
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text-align: center;
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font-family: "Helvetica", sans-serif;
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}
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h1 {
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font-size: 2em;
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font-weight: bold;
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}
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.box {
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border-radius: 5px;
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background-color: #eee;
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padding: 20px 5px;
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}
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button {
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color: white;
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background-color: #4791d0;
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border-radius: 5px;
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border: 1px solid #4791d0;
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padding: 5px 10px 8px 10px;
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}
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button:hover {
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background-color: #0F5897;
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border: 1px solid #0F5897;
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}
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</style>
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<h1>Cat Photo Finder</h1>
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<p class="message box">
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The message will go here
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</p>
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<p>
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<button id="getMessage">
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Get Message
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</button>
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</p>
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```
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# --solutions--
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```html
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<script>
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document.addEventListener('DOMContentLoaded',function(){
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document.getElementById('getMessage').onclick = function(){
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// Add your code below this line
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document.getElementsByClassName('message')[0].textContent = "Here is the message";
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// Add your code above this line
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}
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});
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</script>
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<style>
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body {
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text-align: center;
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font-family: "Helvetica", sans-serif;
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}
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h1 {
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font-size: 2em;
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font-weight: bold;
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}
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.box {
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border-radius: 5px;
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background-color: #eee;
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padding: 20px 5px;
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}
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button {
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color: white;
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background-color: #4791d0;
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border-radius: 5px;
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border: 1px solid #4791d0;
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padding: 5px 10px 8px 10px;
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}
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button:hover {
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background-color: #0F5897;
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border: 1px solid #0F5897;
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}
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</style>
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<h1>Cat Photo Finder</h1>
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<p class="message">
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The message will go here
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</p>
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<p>
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<button id="getMessage">
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Get Message
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</button>
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</p>
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```
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