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Commit 0752ea2

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‎custom.js

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var firstname = "Manasi";
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console.log(firstname);
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var lastname = "Roy";
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var age = 33;
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var fullAge = 'true';
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console.log(fullAge);
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var job;
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console.log(job)
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job = 'teacher';
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console.log(job);
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console.log(firstname + ' ' + lastname + ' ' + age);
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var job, isMarried;
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job = 'teacher';
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isMarried = false;
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console.log(firstname + ' ' + lastname + ' ' + age + ' ' + job + '.' + "Is she Married? " + ' ' + isMarried);
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// =============================================================================================
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var year, yearManasi, yearBhai;
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now = 2019;
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ageManasi = 33;
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ageBhai = 27;
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yearManasi = now - ageManasi;
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yearBhai = now - ageBhai;
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console.log(yearManasi);
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console.log(yearBhai);
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var teamJohn = (89 + 120 + 103) / 3;
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var teamMike = (116 + 94 + 123) / 3;
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console.log(teamJohn, teamMike);
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if (teamJohn > teamMike) {
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console.log("Win Team John" + teamJohn)
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} else if (teamMike > teamJohn) {
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console.log("Win Team Mike" + ' ' + teamMike)
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} else { 'There is Draw' }
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//=====================================================================================
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var whatyoudo = (job, firstname) => {
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switch (job) {
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case 'teacher':
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return firstname + 'My job'
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case 'Web Developer':
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return firstname + 'My Job is Developed'
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default:
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return firstname + 'else'
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}
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}
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console.log(whatyoudo('teacher', 'Web Developer'))
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//=====================================================================================
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var names = ['Manasi', 'Mark', 'Jane'];
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var years = [1986, 1969, 1948]
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console.log(names[0]);
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console.log(names.length)
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names[1] = 'Pitter';
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console.log(names)
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var names = ['Manasi', 'Mark', 'Jane'];
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// Last element add
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names.push('Kitty');
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console.log(names);
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// first element add
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names.unshift('Pubj');
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console.log(names);
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//remove last element
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names.pop();
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console.log(names);
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// first element remove
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names.shift('Pubj');
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console.log(names);
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function tipCalculator(bill) {
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var percentage;
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if (bill < 50) {
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percentage = .2;
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} else if (bill >= 50 && bill < 200) {
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percentage = .15;
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} else {
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percentage = 1;
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}
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return percentage * bill;
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}
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var bills = [124, 48, 268];
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var tips = [tipCalculator(bills[0]),
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tipCalculator(bills[1]),
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tipCalculator(bills[2])]
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console.log(tips);
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//=====================================================================================
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//object under define function with this method
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var Person = {
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birthYear: '1986',
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calAge: function PersonYear() {
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return 2019 - this.birthYear;
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}
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}
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Person.calAge();
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console.log(Person);
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//======================================Spread Oparator===============================================
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const People = ['Manasi', 'Mark', 'Jane'];
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const Animal = ['Lion', 'Tiger', ...People]
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console.log(Animal);
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//========================================= Remove Duplicate ============================================
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const namesArray = ['ruy', 'chuli', 'ruy', 'manasi']
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console.log(namesArray);
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const uniqueName = [...new Set(namesArray)];
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console.log(uniqueName);
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const Ninja = new Set(
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[
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{
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name: 'Manasi', age: '50'
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},
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{
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name: 'Herry', age: '20'
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},
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{
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name: 'Bholanath', age: '500'
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}
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]
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)
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Ninja.forEach(ninja => {
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console.log(ninja.name, ninja.age);
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})
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// Filter =========================================================
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const scores = [10,20,30,40,50,]
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scores.filter(() => {
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return scores;
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})
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console.log(scores);
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const ninjas = [
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{
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name: 'Manasi', age: '50'
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},
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{
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name: 'Herry', age: '20'
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},
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{
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name: 'Bholanath', age: '500'
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}
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]
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const NinjaList = ninjas.filter((nlist) => {
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return nlist;
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})
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// const NinjaList = ninjas.filter(nlist => nlist)
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console.log(NinjaList);
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// Switch Case =================================================
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const Payment = 'Check';
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switch(Payment){
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case 'Check':
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console.log(`You are using ${Payment}`);
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break;
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default:
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console.log(`Please select a valid state`);
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break;
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}
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const PersonSelect = ['Manasi', 'Diya']
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const selected = 0;
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let person;
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switch(selected){
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case 0:
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person = PersonSelect[0]
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break;
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case 1:
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person = PersonSelect[1]
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break;
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}
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console.log(`You are Selected ${person}`)
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// Normal function to Arrow Function =====================================
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const Normal = function() {
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return ('this is a normal function')
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}
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console.log(Normal())
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const NormalArrow = () => {
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return ('this is a arrow function')
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}
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console.log(NormalArrow())
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// function constructor ==============================
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// Example 1
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function details( name, age){
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this.name = name;
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this.age = age;
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}
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const newDetails = new details('Manasi' , 33)
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console.log(newDetails.age);
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console.log(newDetails.name);
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// Example 2
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const Details = new Function('name', 'age', `this.name = name; this.age = age;`)
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const Mark = new Details('Mark', 35)
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console.log(Mark.name);
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‎index.html

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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>Javascript Tutorial</title>
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</head>
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<body>
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<div>
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<h1> JavaScript Tutorial </h1>
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1. Data type define understanding<br/>
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2. Spread Oparator <br/>
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3. Remove Duplicate <br/>
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4. Filter <br/>
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5. Switch Case <br/>
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6. Normal function to Arrow Function <br/>
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7. function constructor
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</div>
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<script src="custom.js"></script>
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</body>
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</html>

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