ការបង្ហាញ Output នៅក្នុង JavaScript
បន្ទាប់ពីយើងបានសរសេរ Script រួចរាល់ហើយនៅពេលដែលចង់ដំណើរការគឺយើងត្រូវបើក Page នោះនៅក្នុង Web Browser ប៉ុន្តែ JavaScript មិនមានភ្ជាប់មកជាមួយនឹងការបង្ហាញលទ្ធផលដែលយើងបានសរសេរនោះទេ យើងអាចបង្ហាញព័ត៌មានទាំងនោះបានតាមវិធីផ្សេងៗដូចខាងក្រោម៖
- window.alert() ឬ អាចសរសេរ alert()
- document.write()
- document.getElementById().innerHTML
- console.log()
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<html>
<head>
<title>Testing my alert</title>
</head>
<body>
<script>
window.alert("Text for alert full form");
alert("You can use alert short form");
</script>
</body>
</html>
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<html>
<head>
<title>Testing my document.write</title>
</head>
<body>
<script>
documen.write("<h1>My first JavaScript.</h1>");
documen.write("<p>JavaScript is a versatile, high-level programming language commonly used to create interactive and dynamic elements on websites. It allows developers to build functionalities like animations, form validations, interactive maps, and more, making web pages more engaging and user-friendly.</p>");
</script>
</body>
</html>
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<html>
<head>
<title>Testing my document.getElementById().innerHTML</title>
</head>
<body>
<div id="result"></div>
<script>
documen.getElementByID("result").innerHTML = "The document.getElementById() method in JavaScript is used to select an HTML element by its id attribute. Once selected, you can manipulate or interact with that element, like changing its content, style, or triggering an action.";
</script>
</body>
</html>
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<html>
<head>
<title>Testing my console.log</title>
</head>
<body>
<script>
console.log(127 * 2.33);
</script>
</body>
</html>
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ចំណាំ៖ ដើម្បីមើលលទ្ធផលដែលប្រើប្រាស់ Console ត្រូវចូលទៅកាន់ Console របស់ Web Browser តាមរយៈ Right Click on Page --> Inspect ឬ Shortcut Key F12 --> Console ។
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