Created
April 26, 2016 05:39
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ssn formatter
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <meta name="viewport" content="width=device-width"> | |
| <title>JS Bin</title> | |
| </head> | |
| <body> | |
| <input type="text" id="x" maxlength="11" pattern="\d{3}\-\d{2}\-\d{4}"> | |
| <script> | |
| var div = document.getElementById('x'); | |
| var disallowed = new RegExp('\D', 'g'); | |
| div.addEventListener('input', function (e) { | |
| var text = e.target.value; | |
| var trimmed = text.replace(disallowed, ''); | |
| e.target.value = formatSsn(trimmed); | |
| }); | |
| var formatSsn = function (str) { | |
| if (str.length === 3 || str.length === 6) { | |
| return str + '-'; | |
| } else { | |
| return str; | |
| } | |
| }; | |
| </script> | |
| </body> | |
| </html> |
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