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August 5, 2021 09:07
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JavaScript Arrays // source https://jsbin.com/yejabub
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>JavaScript Arrays</title> | |
| <link href="style.css" rel="stylesheet"> | |
| <style id="jsbin-css"> | |
| * { | |
| box-sizing: border-box; | |
| } | |
| body { | |
| color: #fff; | |
| font-size: 1em; | |
| font-family: "Gotham Rounded A", "Gotham Rounded B", "Gotham Rounded", "Helvetica Neue", Helvetica, Arial, sans-serif; | |
| background-color: #42b4d6; | |
| } | |
| main { | |
| width: 60%; | |
| max-width: 1080px; | |
| padding: 1em 0 2em; | |
| margin: 0 auto; | |
| } | |
| h1 { | |
| font-size: 3.75em; | |
| margin-bottom: 0.5em; | |
| text-shadow: 0 2px 0 rgba(0,0,0, 0.1); | |
| } | |
| h2 { | |
| font-size: 2.5em; | |
| margin-top: 1.5em; | |
| font-weight: normal; | |
| } | |
| main p { | |
| font-size: 1.9em; | |
| margin: 0; | |
| line-height: 1.5; | |
| text-align: center; | |
| } | |
| ul, | |
| ol { | |
| list-style-position: inside; | |
| font-size: 1.5em; | |
| margin: 0; | |
| padding: 0; | |
| } | |
| li { | |
| line-height: 1.25; | |
| margin: 0 0 1.1em; | |
| color: #42b4d6; | |
| padding: 0.8em; | |
| background-color: white; | |
| border-radius: 3px; | |
| box-shadow: 0 2px 0 rgba(0,0,0, 0.1); | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <main></main> | |
| <script src="script.js"></script> | |
| <script id="jsbin-javascript"> | |
| // 1. Create a multidimensional array to hold quiz questions and answers | |
| const data = [ | |
| ['How many planets are in the Solar System',8], | |
| ['How many continents are there?',7], | |
| ['What year was Javascript created?',1995] | |
| ] | |
| // 2. Store the number of questions answered correctly | |
| let correct = 0; | |
| let question ; | |
| let html = ``; | |
| let childCorrect = ``; | |
| let childFalse = ``; | |
| /* | |
| 3. Use a loop to cycle through each question | |
| - Present each question to the user | |
| - Compare the user's response to answer in the array | |
| - If the response matches the answer, the number of correctly | |
| answered questions increments by 1 | |
| */ | |
| for(let i=0; i < data.length; i++){ | |
| question = prompt(data[i][0]); | |
| if(+question === data[i][1]){ | |
| correct += 1; | |
| childCorrect += `<li> ${ data[i][0] } </li>`; | |
| } else { | |
| childFalse += `<li> ${ data[i][0] } </li>`; | |
| } | |
| } | |
| html += `You got ${correct} question(s) correct `; | |
| // 4. Display the number of correct answers to the user | |
| document.querySelector("main").innerHTML = `<h1> ${html} </h1> <br><br> <h2>You got these questions right:</h2>` + `<ol>${childCorrect}</ol>` + | |
| `<br><br> <h2>You got these questions wrong:</h2>` + `<ol>${childFalse}</ol>`; | |
| </script> | |
| <script id="jsbin-source-css" type="text/css">* { | |
| box-sizing: border-box; | |
| } | |
| body { | |
| color: #fff; | |
| font-size: 1em; | |
| font-family: "Gotham Rounded A", "Gotham Rounded B", "Gotham Rounded", "Helvetica Neue", Helvetica, Arial, sans-serif; | |
| background-color: #42b4d6; | |
| } | |
| main { | |
| width: 60%; | |
| max-width: 1080px; | |
| padding: 1em 0 2em; | |
| margin: 0 auto; | |
| } | |
| h1 { | |
| font-size: 3.75em; | |
| margin-bottom: 0.5em; | |
| text-shadow: 0 2px 0 rgba(0,0,0, 0.1); | |
| } | |
| h2 { | |
| font-size: 2.5em; | |
| margin-top: 1.5em; | |
| font-weight: normal; | |
| } | |
| main p { | |
| font-size: 1.9em; | |
| margin: 0; | |
| line-height: 1.5; | |
| text-align: center; | |
| } | |
| ul, | |
| ol { | |
| list-style-position: inside; | |
| font-size: 1.5em; | |
| margin: 0; | |
| padding: 0; | |
| } | |
| li { | |
| line-height: 1.25; | |
| margin: 0 0 1.1em; | |
| color: #42b4d6; | |
| padding: 0.8em; | |
| background-color: white; | |
| border-radius: 3px; | |
| box-shadow: 0 2px 0 rgba(0,0,0, 0.1); | |
| } | |
| </script> | |
| <script id="jsbin-source-javascript" type="text/javascript">// 1. Create a multidimensional array to hold quiz questions and answers | |
| const data = [ | |
| ['How many planets are in the Solar System',8], | |
| ['How many continents are there?',7], | |
| ['What year was Javascript created?',1995] | |
| ] | |
| // 2. Store the number of questions answered correctly | |
| let correct = 0; | |
| let question ; | |
| let html = ``; | |
| let childCorrect = ``; | |
| let childFalse = ``; | |
| /* | |
| 3. Use a loop to cycle through each question | |
| - Present each question to the user | |
| - Compare the user's response to answer in the array | |
| - If the response matches the answer, the number of correctly | |
| answered questions increments by 1 | |
| */ | |
| for(let i=0; i < data.length; i++){ | |
| question = prompt(data[i][0]); | |
| if(+question === data[i][1]){ | |
| correct += 1; | |
| childCorrect += `<li> ${ data[i][0] } </li>`; | |
| } else { | |
| childFalse += `<li> ${ data[i][0] } </li>`; | |
| } | |
| } | |
| html += `You got ${correct} question(s) correct `; | |
| // 4. Display the number of correct answers to the user | |
| document.querySelector("main").innerHTML = `<h1> ${html} </h1> <br><br> <h2>You got these questions right:</h2>` + `<ol>${childCorrect}</ol>` + | |
| `<br><br> <h2>You got these questions wrong:</h2>` + `<ol>${childFalse}</ol>`; | |
| </script></body> | |
| </html> |
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| * { | |
| box-sizing: border-box; | |
| } | |
| body { | |
| color: #fff; | |
| font-size: 1em; | |
| font-family: "Gotham Rounded A", "Gotham Rounded B", "Gotham Rounded", "Helvetica Neue", Helvetica, Arial, sans-serif; | |
| background-color: #42b4d6; | |
| } | |
| main { | |
| width: 60%; | |
| max-width: 1080px; | |
| padding: 1em 0 2em; | |
| margin: 0 auto; | |
| } | |
| h1 { | |
| font-size: 3.75em; | |
| margin-bottom: 0.5em; | |
| text-shadow: 0 2px 0 rgba(0,0,0, 0.1); | |
| } | |
| h2 { | |
| font-size: 2.5em; | |
| margin-top: 1.5em; | |
| font-weight: normal; | |
| } | |
| main p { | |
| font-size: 1.9em; | |
| margin: 0; | |
| line-height: 1.5; | |
| text-align: center; | |
| } | |
| ul, | |
| ol { | |
| list-style-position: inside; | |
| font-size: 1.5em; | |
| margin: 0; | |
| padding: 0; | |
| } | |
| li { | |
| line-height: 1.25; | |
| margin: 0 0 1.1em; | |
| color: #42b4d6; | |
| padding: 0.8em; | |
| background-color: white; | |
| border-radius: 3px; | |
| box-shadow: 0 2px 0 rgba(0,0,0, 0.1); | |
| } |
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| // 1. Create a multidimensional array to hold quiz questions and answers | |
| const data = [ | |
| ['How many planets are in the Solar System',8], | |
| ['How many continents are there?',7], | |
| ['What year was Javascript created?',1995] | |
| ] | |
| // 2. Store the number of questions answered correctly | |
| let correct = 0; | |
| let question ; | |
| let html = ``; | |
| let childCorrect = ``; | |
| let childFalse = ``; | |
| /* | |
| 3. Use a loop to cycle through each question | |
| - Present each question to the user | |
| - Compare the user's response to answer in the array | |
| - If the response matches the answer, the number of correctly | |
| answered questions increments by 1 | |
| */ | |
| for(let i=0; i < data.length; i++){ | |
| question = prompt(data[i][0]); | |
| if(+question === data[i][1]){ | |
| correct += 1; | |
| childCorrect += `<li> ${ data[i][0] } </li>`; | |
| } else { | |
| childFalse += `<li> ${ data[i][0] } </li>`; | |
| } | |
| } | |
| html += `You got ${correct} question(s) correct `; | |
| // 4. Display the number of correct answers to the user | |
| document.querySelector("main").innerHTML = `<h1> ${html} </h1> <br><br> <h2>You got these questions right:</h2>` + `<ol>${childCorrect}</ol>` + | |
| `<br><br> <h2>You got these questions wrong:</h2>` + `<ol>${childFalse}</ol>`; |
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