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A minimalist reactive web app
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| <html> | |
| <head> | |
| <title> | |
| Reactivity | |
| </title> | |
| <style> | |
| div { | |
| background: #989898; | |
| color: #00FF11; | |
| font-family: monospace; | |
| font-size: 18px; | |
| padding: 20px; | |
| margin: 15px; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <input type="text" oninput="window.name = this.value" placeholder="Name"> | |
| <div>Hello, <span id="name"></span>!</div> | |
| <input type="number" oninput="window.age = this.value" placeholder="Age"> | |
| <div>You are <span id="years"></span> years old.</div> | |
| <script> | |
| function bind(varName, bindToSelector) { | |
| const bindToEl = document.querySelector(bindToSelector) | |
| let val = bindToEl.innerText = window[varName] | |
| Object.defineProperty(this, varName, { | |
| get: function reactiveGetter() { | |
| return val | |
| }, | |
| set: function reactiveSetter(newVal) { | |
| val = bindToEl.innerText = newVal | |
| } | |
| }) | |
| } | |
| let name, age | |
| bind('name', "#name"); | |
| bind('age', "#years"); | |
| </script> | |
| </body> | |
| </html> |
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