https://mbbsinnepal.in/numberValidationNew.js

1(function () {
2    function processNumberInput(input) {
3        if (!input || input.dataset.numberValidation === "true") {
4            return;
5        }
6
7        input.dataset.numberValidation = "true";
8
9        const form = input.closest("form");
10
11        const countrySelect = form
12            ? form.querySelector('select[name="countryCode"]')
13            : null;
14
15        function getCountryCode() {
16            return countrySelect
17                ? countrySelect.value.trim()
18                : null;
19        }
20
21        function isIndia() {
22            if (countrySelect) {
23                const code = getCountryCode();
24
25                return code === "+91" || code === "91";
26            }
27
28            return input.value
29                .replace(/\D/g, "")
30                .startsWith("91");
31        }
32
33        function removeMaxLength() {
34            if (input.hasAttribute("maxlength")) {
35                input.removeAttribute("maxlength");
36            }
37
38            try {
39                input.maxLength = -1;
40            } catch (e) {}
41        }
42
43        function processValue(value) {
44            value = value.replace(/\D/g, "");
45
46            if (countrySelect && !isIndia()) {
47                return value;
48            }
49
50            if (value.startsWith("91")) {
51                return value.substring(0, 12);
52            }
53
54            return value.substring(0, 10);
55        }
56
57        function updateInput() {
58            removeMaxLength();
59
60            const value = input.value.replace(/\D/g, "");
61
62            if (countrySelect && !isIndia()) {
63                input.removeAttribute("pattern");
64                return;
65            }
66
67            if (value.startsWith("91")) {
68                input.removeAttribute("pattern");
69            } else {
70                input.setAttribute(
71                    "pattern",
72                    "[6-9][0-9]{9}"
73                );
74            }
75        }
76
77        function handleValue() {
78            removeMaxLength();
79
80            const currentValue = input.value;
81
82            const processedValue = processValue(currentValue);
83
84            if (currentValue !== processedValue) {
85                input.value = processedValue;
86            }
87
88            updateInput();
89        }
90
91        input.addEventListener("input", handleValue);
92        input.addEventListener("change", handleValue);
93        input.addEventListener("blur", handleValue);
94        input.addEventListener("focus", handleValue);
95
96        input.addEventListener("paste", function (event) {
97            event.preventDefault();
98
99            let value = "";
100
101            if (event.clipboardData) {
102                value = event.clipboardData.getData("text");
103            }
104
105            value = processValue(value);
106
107            input.value = value;
108
109            updateInput();
110
111            input.dispatchEvent(
112                new Event("input", {
113                    bubbles: true
114                })
115            );
116        });
117
118        if (countrySelect) {
119            countrySelect.addEventListener(
120                "change",
121                function () {
122                    handleValue();
123                }
124            );
125        }
126
127        handleValue();
128
129        let checks = 0;
130
131        const autofillChecker = setInterval(function () {
132            checks++;
133
134            if (
135                !document.body.contains(input) ||
136                checks > 30
137            ) {
138                clearInterval(autofillChecker);
139                return;
140            }
141
142            if (input.value) {
143                handleValue();
144                clearInterval(autofillChecker);
145            }
146        }, 250);
147
148        const attributeObserver = new MutationObserver(
149            function () {
150                if (input.hasAttribute("maxlength")) {
151                    input.removeAttribute("maxlength");
152                }
153
154                const value = input.value
155                    .replace(/\D/g, "");
156
157                if (value.startsWith("91")) {
158                    if (input.hasAttribute("pattern")) {
159                        input.removeAttribute("pattern");
160                    }
161                }
162            }
163        );
164
165        attributeObserver.observe(input, {
166            attributes: true,
167            attributeFilter: [
168                "maxlength",
169                "pattern"
170            ]
171        });
172    }
173
174    function initNumberInputs() {
175        const inputs = document.querySelectorAll(
176            'input[name="number"]'
177        );
178

179        inputs.forEach(function (input) {
180            processNumberInput(input);
181        });
182    }
183
184    if (document.readyState === "loading") {
185        document.addEventListener(
186            "DOMContentLoaded",
187            initNumberInputs
188        );
189    } else {
190        initNumberInputs();
191    }
192
193    let observerTimer = null;
194
195    const bodyObserver = new MutationObserver(
196        function () {
197            clearTimeout(observerTimer);
198
199            observerTimer = setTimeout(
200                function () {
201                    initNumberInputs();
202                },
203                200
204            );
205        }
206    );
207
208    function startObserver() {
209        if (!document.body) {
210            setTimeout(startObserver, 100);
211            return;
212        }
213
214        bodyObserver.observe(document.body, {
215            childList: true,
216            subtree: true
217        });
218    }
219
220    startObserver();
221})(); 
222