jquery.mask.js
$('.date').masked('19840807');jquery.mask.js
$('.date').masked('19840807');Javascript input mask
// This code empowers all input tags having a placeholder and data-slots attribute
document.addEventListener('DOMContentLoaded', () => {
for (const el of document.querySelectorAll("[placeholder][data-slots]")) {
const pattern = el.getAttribute("placeholder"),
slots = new Set(el.dataset.slots || "_"),
prev = (j => Array.from(pattern, (c,i) => slots.has(c)? j=i+1: j))(0),
first = [...pattern].findIndex(c => slots.has(c)),
accept = new RegExp(el.dataset.accept || "\d", "g"),
clean = input => {
input = input.match(accept) || [];
return Array.from(pattern, c =>
input[0] === c || slots.has(c) ? input.shift() || c : c
);
},
format = () => {
const [i, j] = [el.selectionStart, el.selectionEnd].map(i => {
i = clean(el.value.slice(0, i)).findIndex(c => slots.has(c));
return i<0? prev[prev.length-1]: back? prev[i-1] || first: i;
});
el.value = clean(el.value).join``;
el.setSelectionRange(i, j);
back = false;
};
let back = false;
el.addEventListener("keydown", (e) => back = e.key === "Backspace");
el.addEventListener("input", format);
el.addEventListener("focus", format);
el.addEventListener("blur", () => el.value === pattern && (el.value=""));
}
});Javascript input mask
Array.prototype.forEach.call(document.body.querySelectorAll("*[data-mask]"), applyDataMask);
function applyDataMask(field) {
var mask = field.dataset.mask.split('');
// For now, this just strips everything that's not a number
function stripMask(maskedData) {
function isDigit(char) {
return /d/.test(char);
}
return maskedData.split('').filter(isDigit);
}
// Replace `_` characters with characters from `data`
function applyMask(data) {
return mask.map(function(char) {
if (char != '_') return char;
if (data.length == 0) return char;
return data.shift();
}).join('')
}
function reapplyMask(data) {
return applyMask(stripMask(data));
}
function changed() {
var oldStart = field.selectionStart;
var oldEnd = field.selectionEnd;
field.value = reapplyMask(field.value);
field.selectionStart = oldStart;
field.selectionEnd = oldEnd;
}
field.addEventListener('click', changed)
field.addEventListener('keyup', changed)
}Copyright © 2021 Codeinu
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