Created
October 23, 2018 16:40
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textarea
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>textarea</title> | |
| <meta charset="utf-8"> | |
| </head> | |
| <body> | |
| <div id="app1"></div> | |
| <div id="app2"></div> | |
| <div id="app3"></div> | |
| <div id="app4"></div> | |
| <script charset="utf-8" crossorigin src="https://cdnjs.cloudflare.com/ajax/libs/babel-standalone/6.26.0/babel.min.js"></script> | |
| <script crossorigin src="https://unpkg.com/react@16/umd/react.development.js"></script> | |
| <script crossorigin src="https://unpkg.com/react-dom@16/umd/react-dom.development.js"></script> | |
| <script type="text/babel"> | |
| function log(event) { | |
| console.log("value: ", event.target.value); | |
| console.log("defaultValue: ", event.target.defaultValue); | |
| } | |
| ReactDOM.render( | |
| <textarea defaultValue="hello\nworld" onChange={log} />, | |
| document.getElementById('app1') | |
| ); | |
| ReactDOM.render( | |
| <textarea defaultValue={"hello\nworld"} onChange={log} />, | |
| document.getElementById('app2') | |
| ); | |
| ReactDOM.render( | |
| <textarea onChange={log}>hello | |
| world | |
| </textarea>, | |
| document.getElementById('app3') | |
| ); | |
| ReactDOM.render( | |
| <textarea onChange={log}>{"hello\n\ | |
| world"} | |
| </textarea>, | |
| document.getElementById('app4') | |
| ); | |
| </script> | |
| </body> | |
| </html> |
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