Created
February 24, 2015 03:41
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My playlist // source http://jsbin.com/fiyelewuxo
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>My playlist</title> | |
| </head> | |
| <body> | |
| <button onclick="addToPlaylist()">Add to playlist</button> | |
| <h1>My playlist</h1> | |
| <ol id="playlistElement"></ol> | |
| <script id="jsbin-javascript"> | |
| /** Starting code: | |
| var playlist = []; | |
| function addToPlaylist() { | |
| // 1. ask for a song | |
| // 2. add it to the playlist array | |
| // 3. call displayPlaylist | |
| } | |
| function displayPlaylist() { | |
| // 1. get the playlistElement from the document | |
| // 2. remove any child elements in it | |
| // 3. add a child element (<li>) for each song | |
| } | |
| **/ | |
| var playlist = []; | |
| function addToPlaylist() { | |
| // 1. ask for a song | |
| var song = prompt("What song do you want to add?"); | |
| // 2. add it to the playlist array | |
| if (song) { | |
| playlist.push(song); | |
| } | |
| // 3. call displayPlaylist | |
| displayPlaylist(); | |
| } | |
| function displayPlaylist() { | |
| // 1. get the playlistElement from the document | |
| var playlistElement = document.getElementById("playlistElement"); | |
| // 2. remove any child elements in it | |
| while (playlistElement.firstChild) { | |
| playlistElement.removeChild(playlistElement.firstChild); | |
| } | |
| // 3. add a child element (<li>) for each song | |
| var i = 0; | |
| while (i < playlist.length) { | |
| var songElement = document.createElement("LI"); | |
| songElement.innerHTML = playlist[i]; | |
| playlistElement.appendChild(songElement); | |
| i++; | |
| } | |
| } | |
| /** Extensions: | |
| 1. Have the playlist always be sorted alphabetically | |
| 2. Don't add songs to the playlist if they are already there. | |
| **/ | |
| </script> | |
| <script id="jsbin-source-javascript" type="text/javascript">/** Starting code: | |
| var playlist = []; | |
| function addToPlaylist() { | |
| // 1. ask for a song | |
| // 2. add it to the playlist array | |
| // 3. call displayPlaylist | |
| } | |
| function displayPlaylist() { | |
| // 1. get the playlistElement from the document | |
| // 2. remove any child elements in it | |
| // 3. add a child element (<li>) for each song | |
| } | |
| **/ | |
| var playlist = []; | |
| function addToPlaylist() { | |
| // 1. ask for a song | |
| var song = prompt("What song do you want to add?"); | |
| // 2. add it to the playlist array | |
| if (song) { | |
| playlist.push(song); | |
| } | |
| // 3. call displayPlaylist | |
| displayPlaylist(); | |
| } | |
| function displayPlaylist() { | |
| // 1. get the playlistElement from the document | |
| var playlistElement = document.getElementById("playlistElement"); | |
| // 2. remove any child elements in it | |
| while (playlistElement.firstChild) { | |
| playlistElement.removeChild(playlistElement.firstChild); | |
| } | |
| // 3. add a child element (<li>) for each song | |
| var i = 0; | |
| while (i < playlist.length) { | |
| var songElement = document.createElement("LI"); | |
| songElement.innerHTML = playlist[i]; | |
| playlistElement.appendChild(songElement); | |
| i++; | |
| } | |
| } | |
| /** Extensions: | |
| 1. Have the playlist always be sorted alphabetically | |
| 2. Don't add songs to the playlist if they are already there. | |
| **/ | |
| </script></body> | |
| </html> |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| /** Starting code: | |
| var playlist = []; | |
| function addToPlaylist() { | |
| // 1. ask for a song | |
| // 2. add it to the playlist array | |
| // 3. call displayPlaylist | |
| } | |
| function displayPlaylist() { | |
| // 1. get the playlistElement from the document | |
| // 2. remove any child elements in it | |
| // 3. add a child element (<li>) for each song | |
| } | |
| **/ | |
| var playlist = []; | |
| function addToPlaylist() { | |
| // 1. ask for a song | |
| var song = prompt("What song do you want to add?"); | |
| // 2. add it to the playlist array | |
| if (song) { | |
| playlist.push(song); | |
| } | |
| // 3. call displayPlaylist | |
| displayPlaylist(); | |
| } | |
| function displayPlaylist() { | |
| // 1. get the playlistElement from the document | |
| var playlistElement = document.getElementById("playlistElement"); | |
| // 2. remove any child elements in it | |
| while (playlistElement.firstChild) { | |
| playlistElement.removeChild(playlistElement.firstChild); | |
| } | |
| // 3. add a child element (<li>) for each song | |
| var i = 0; | |
| while (i < playlist.length) { | |
| var songElement = document.createElement("LI"); | |
| songElement.innerHTML = playlist[i]; | |
| playlistElement.appendChild(songElement); | |
| i++; | |
| } | |
| } | |
| /** Extensions: | |
| 1. Have the playlist always be sorted alphabetically | |
| 2. Don't add songs to the playlist if they are already there. | |
| **/ |
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