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ksk1015/input-hansu.js

Created December 9, 2016 09:42
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data-hansu属性のinputを強制的に半数字のみに変換
Raw
input-hansu.js
document.addEventListener('change', function(evt){
var elem = evt.target;
if ( elem.hasAttribute('data-hansu') ) {
elem.value = elem.value.replace(/[０-９]/g, function(s){
return String.fromCharCode(s.charCodeAt(0) - 0xFEE0);
}).replace(/\D/g, '');
}
});
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