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fullWidthNumConvert
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| <!DOCTYPE html> | |
| <html lang='en'> | |
| <head> | |
| <meta charset='utf-8'> | |
| <meta name='viewport' content='width=device-width, initial-scale=1, shrink-to-fit=no'> | |
| <title>eventListener</title> | |
| </head> | |
| <body> | |
| <noscript> | |
| You need to enable JavaScript to run this app. | |
| </noscript> | |
| <div> | |
| <label>input text field</label> | |
| <input type='text' class='c-input--number' name='eventListener[number1]' placeholder='ex) 12345' /> | |
| </div> | |
| <div> | |
| <label>input text field</label> | |
| <input type='text' class='c-input--number' name='eventListener[number2]' placeholder='ex) 12345' /> | |
| </div> | |
| <script> | |
| const fullWidthNumConvert = function(number){ | |
| return number.replace(/[\uFF10-\uFF19]/g, function(n) { | |
| return String.fromCharCode(n.charCodeAt(0) - 0xfee0) | |
| }) | |
| } | |
| const inputNumberEventHandler = function(event) { | |
| const number = event.target.value | |
| event.target.value = fullWidthNumConvert(number) | |
| } | |
| const elems = document.getElementsByClassName('c-input--number') | |
| for (var i = 0; i < elems.length; i++) { | |
| const elem = elems[i] | |
| elem.addEventListener('change', inputNumberEventHandler, false) | |
| } | |
| </script> | |
| </body> | |
| </html> |
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