182 lines
10 KiB
JavaScript
182 lines
10 KiB
JavaScript
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/*
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jQuery Masked Input Plugin
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Copyright (c) 2007 - 2015 Josh Bush (digitalbush.com)
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Licensed under the MIT license (http://digitalbush.com/projects/masked-input-plugin/#license)
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Version: 1.4.1
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*/
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!function(factory) {
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"function" == typeof define && define.amd ? define([ "jquery" ], factory) : factory("object" == typeof exports ? require("jquery") : jQuery);
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}(function($) {
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var caretTimeoutId, ua = navigator.userAgent, iPhone = /iphone/i.test(ua), chrome = /chrome/i.test(ua), android = /android/i.test(ua);
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$.mask = {
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definitions: {
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"9": "[0-9]",
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a: "[A-Za-z]",
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"*": "[A-Za-z0-9]"
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},
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autoclear: !0,
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dataName: "rawMaskFn",
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placeholder: "_"
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}, $.fn.extend({
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caret: function(begin, end) {
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var range;
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if (0 !== this.length && !this.is(":hidden")) return "number" == typeof begin ? (end = "number" == typeof end ? end : begin,
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this.each(function() {
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this.setSelectionRange ? this.setSelectionRange(begin, end) : this.createTextRange && (range = this.createTextRange(),
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range.collapse(!0), range.moveEnd("character", end), range.moveStart("character", begin),
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range.select());
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})) : (this[0].setSelectionRange ? (begin = this[0].selectionStart, end = this[0].selectionEnd) : document.selection && document.selection.createRange && (range = document.selection.createRange(),
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begin = 0 - range.duplicate().moveStart("character", -1e5), end = begin + range.text.length),
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{
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begin: begin,
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end: end
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});
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},
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unmask: function() {
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return this.trigger("unmask");
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},
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mask: function(mask, settings) {
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var input, defs, tests, partialPosition, firstNonMaskPos, lastRequiredNonMaskPos, len, oldVal;
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if (!mask && this.length > 0) {
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input = $(this[0]);
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var fn = input.data($.mask.dataName);
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return fn ? fn() : void 0;
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}
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return settings = $.extend({
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autoclear: $.mask.autoclear,
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placeholder: $.mask.placeholder,
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completed: null
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}, settings), defs = $.mask.definitions, tests = [], partialPosition = len = mask.length,
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firstNonMaskPos = null, $.each(mask.split(""), function(i, c) {
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"?" == c ? (len--, partialPosition = i) : defs[c] ? (tests.push(new RegExp(defs[c])),
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null === firstNonMaskPos && (firstNonMaskPos = tests.length - 1), partialPosition > i && (lastRequiredNonMaskPos = tests.length - 1)) : tests.push(null);
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}), this.trigger("unmask").each(function() {
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function tryFireCompleted() {
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if (settings.completed) {
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for (var i = firstNonMaskPos; lastRequiredNonMaskPos >= i; i++) if (tests[i] && buffer[i] === getPlaceholder(i)) return;
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settings.completed.call(input);
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}
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}
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function getPlaceholder(i) {
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return settings.placeholder.charAt(i < settings.placeholder.length ? i : 0);
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}
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function seekNext(pos) {
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for (;++pos < len && !tests[pos]; ) ;
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return pos;
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}
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function seekPrev(pos) {
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for (;--pos >= 0 && !tests[pos]; ) ;
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return pos;
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}
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function shiftL(begin, end) {
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var i, j;
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if (!(0 > begin)) {
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for (i = begin, j = seekNext(end); len > i; i++) if (tests[i]) {
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if (!(len > j && tests[i].test(buffer[j]))) break;
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buffer[i] = buffer[j], buffer[j] = getPlaceholder(j), j = seekNext(j);
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}
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writeBuffer(), input.caret(Math.max(firstNonMaskPos, begin));
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}
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}
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function shiftR(pos) {
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var i, c, j, t;
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for (i = pos, c = getPlaceholder(pos); len > i; i++) if (tests[i]) {
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if (j = seekNext(i), t = buffer[i], buffer[i] = c, !(len > j && tests[j].test(t))) break;
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c = t;
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}
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}
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function androidInputEvent() {
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var curVal = input.val(), pos = input.caret();
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if (oldVal && oldVal.length && oldVal.length > curVal.length) {
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for (checkVal(!0); pos.begin > 0 && !tests[pos.begin - 1]; ) pos.begin--;
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if (0 === pos.begin) for (;pos.begin < firstNonMaskPos && !tests[pos.begin]; ) pos.begin++;
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input.caret(pos.begin, pos.begin);
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} else {
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for (checkVal(!0); pos.begin < len && !tests[pos.begin]; ) pos.begin++;
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input.caret(pos.begin, pos.begin);
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}
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tryFireCompleted();
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}
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function blurEvent() {
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checkVal(), input.val() != focusText && input.change();
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}
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function keydownEvent(e) {
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if (!input.prop("readonly")) {
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var pos, begin, end, k = e.which || e.keyCode;
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oldVal = input.val(), 8 === k || 46 === k || iPhone && 127 === k ? (pos = input.caret(),
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begin = pos.begin, end = pos.end, end - begin === 0 && (begin = 46 !== k ? seekPrev(begin) : end = seekNext(begin - 1),
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end = 46 === k ? seekNext(end) : end), clearBuffer(begin, end), shiftL(begin, end - 1),
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e.preventDefault()) : 13 === k ? blurEvent.call(this, e) : 27 === k && (input.val(focusText),
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input.caret(0, checkVal()), e.preventDefault());
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}
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}
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function keypressEvent(e) {
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if (!input.prop("readonly")) {
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var p, c, next, k = e.which || e.keyCode, pos = input.caret();
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if (!(e.ctrlKey || e.altKey || e.metaKey || 32 > k) && k && 13 !== k) {
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if (pos.end - pos.begin !== 0 && (clearBuffer(pos.begin, pos.end), shiftL(pos.begin, pos.end - 1)),
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p = seekNext(pos.begin - 1), len > p && (c = String.fromCharCode(k), tests[p].test(c))) {
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if (shiftR(p), buffer[p] = c, writeBuffer(), next = seekNext(p), android) {
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var proxy = function() {
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$.proxy($.fn.caret, input, next)();
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};
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setTimeout(proxy, 0);
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} else input.caret(next);
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pos.begin <= lastRequiredNonMaskPos && tryFireCompleted();
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}
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e.preventDefault();
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}
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}
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}
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function clearBuffer(start, end) {
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var i;
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for (i = start; end > i && len > i; i++) tests[i] && (buffer[i] = getPlaceholder(i));
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}
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function writeBuffer() {
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input.val(buffer.join(""));
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}
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function checkVal(allow) {
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var i, c, pos, test = input.val(), lastMatch = -1;
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for (i = 0, pos = 0; len > i; i++) if (tests[i]) {
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for (buffer[i] = getPlaceholder(i); pos++ < test.length; ) if (c = test.charAt(pos - 1),
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tests[i].test(c)) {
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buffer[i] = c, lastMatch = i;
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break;
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}
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if (pos > test.length) {
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clearBuffer(i + 1, len);
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break;
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}
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} else buffer[i] === test.charAt(pos) && pos++, partialPosition > i && (lastMatch = i);
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return allow ? writeBuffer() : partialPosition > lastMatch + 1 ? settings.autoclear || buffer.join("") === defaultBuffer ? (input.val() && input.val(""),
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clearBuffer(0, len)) : writeBuffer() : (writeBuffer(), input.val(input.val().substring(0, lastMatch + 1))),
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partialPosition ? i : firstNonMaskPos;
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}
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var input = $(this), buffer = $.map(mask.split(""), function(c, i) {
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return "?" != c ? defs[c] ? getPlaceholder(i) : c : void 0;
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}), defaultBuffer = buffer.join(""), focusText = input.val();
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input.data($.mask.dataName, function() {
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return $.map(buffer, function(c, i) {
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return tests[i] && c != getPlaceholder(i) ? c : null;
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}).join("");
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}), input.one("unmask", function() {
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input.off(".mask").removeData($.mask.dataName);
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}).on("focus.mask", function() {
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if (!input.prop("readonly")) {
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clearTimeout(caretTimeoutId);
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var pos;
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focusText = input.val(), pos = checkVal(), caretTimeoutId = setTimeout(function() {
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input.get(0) === document.activeElement && (writeBuffer(), pos == mask.replace("?", "").length ? input.caret(0, pos) : input.caret(pos));
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}, 10);
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}
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}).on("blur.mask", blurEvent).on("keydown.mask", keydownEvent).on("keypress.mask", keypressEvent).on("input.mask paste.mask", function() {
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input.prop("readonly") || setTimeout(function() {
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var pos = checkVal(!0);
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input.caret(pos), tryFireCompleted();
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}, 0);
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}), chrome && android && input.off("input.mask").on("input.mask", androidInputEvent),
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checkVal();
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});
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}
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});
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});
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