Created
May 31, 2010 07:41
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| <!DOCTYPE html> | |
| <meta charset="UTF-8"> | |
| <title>JavaScript 文字列エスケープ</title> | |
| <style> | |
| textarea { width: 100%; } | |
| .buttonArea { text-align:center } | |
| </style> | |
| <h1>JavaScript 文字列エスケープ</h1> | |
| <div> | |
| <textarea id="input" cols="60" rows="20"> | |
| </textarea> | |
| </div> | |
| <div class="buttonArea"> | |
| <input type="button" onclick="escape()" value="↓Escape"> | |
| </div> | |
| <div> | |
| <textarea id="output" cols="60" rows="20"> | |
| </textarea> | |
| <!--input type="button" onclick="alert(eval(document.getElementById('output').value));" value="View"--> | |
| </div> | |
| <script> | |
| function escape() { | |
| var t = document.getElementById('input'); | |
| document.getElementById('output').value = '"' + | |
| t.value | |
| .replace(/\\/g, "\\\\") | |
| .replace(/"/g, "\\\"") | |
| .replace(/\n/g, "\\n") | |
| .replace(/\r/g, "\\r") | |
| .replace(/\t/g, "\\t") | |
| .replace(/(<\/sc)(ript>)/, "$1\" + \"$2") | |
| .replace(/[^\x00-\x7f]/g, function($0) { return escapeUnicode($0); }) | |
| + '"'; | |
| } | |
| function escapeUnicode(str) { | |
| return str.replace(/[^ -~]|\\/g, function(m0) { | |
| var code = m0.charCodeAt(0); | |
| return '\\u' + ((code < 0x10) ? '000' : | |
| (code < 0x100) ? '00' : | |
| (code < 0x1000) ? '0' : '') + code.toString(16); | |
| }); | |
| } | |
| function unescapeUnicode(str) { | |
| return str.replace(/\\u([a-fA-F0-9]{4})/g, function(m0, m1) { | |
| return String.fromCharCode(parseInt(m1, 16)); | |
| }); | |
| } | |
| </script> |
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