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40-refactor-practice.html
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<!DOCTYPE html>
<html>
<head>
<title>
</title>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css" integrity="sha384-WskhaSGFgHYWDcbwN70/dfYBj47jz9qbsMId/iRN3ewGhXQFZCSftd1LZCfmhktB" crossorigin="anonymous">
</head>
<body>
<div id="app" class="container">
<h1>Register</h1>
<form @submit.prevent="onSubmit">
<div class="form-group">
<label for="countryOfResidence">Country of Residence</label>
<select v-model="form.countryOfResidence" @blur="focused.countryOfResidence = true" id="countryOfResidence" class="form-control">
<option v-for="(name, key) in countries" :value="key">
{{ name }}
</option>
</select>
</div>
<div class="alert alert-danger" v-show="focused.countryOfResidence && !validCountryOfResidence">
- Select the country you currently reside in
</div>
<div class="form-group">
<label for="loginName">Login Name</label>
<input type="text" v-model="form.loginName" @blur="focused.loginName = true" class="form-control" id="loginName">
</div>
<div class="alert alert-danger" v-show="focused.loginName && !validLoginName">
- 5-14 characters<br>
- Start with a letter<br>
- Use only letters (a-z) and numbers (0-9)
</div>
<div class="form-group">
<label for="password">Password</label>
<input type="password" v-model="form.password" @blur="focused.password = true" class="form-control" id="password">
</div>
<div class="alert alert-danger" v-show="focused.password && !validPassword">
- 8-15 characters<br>
- Use both uppercase or lowercase letters (a-z) and numbers (0-9)<br>
- Must not contain your login name
</div>
<div class="form-group">
<label for="password">Re-enter Password</label>
<input type="password" v-model="form.reEnterPassword" @blur="focused.reEnterPassword = true" class="form-control" id="password">
</div>
<div class="alert alert-danger" v-show="focused.reEnterPassword && !validReEnterPassword">
- Must match password above
</div>
<button type="submit" class="btn btn-primary">Submit</button>
</form>
</div>
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.3/umd/popper.min.js" integrity="sha384-ZMP7rVo3mIykV+2+9J3UJ46jBk0WLaUAdn689aCwoqbBJiSnjAK/l8WvCWPIPm49" crossorigin="anonymous"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js" integrity="sha384-smHYKdLADwkXOn1EmN1qk/HfnUcbVRZyYmZ4qpPea6sjB/pTJ0euyQp0Mk8ck+5T" crossorigin="anonymous"></script>
<script src="https://unpkg.com/vue/dist/vue.js"></script>
<script>
var vm = new Vue({
el: "#app",
data: {
countries: {
"": "",
"MY": "Malaysia",
"ID": "Indonesia",
"VN": "Vietnam",
"CN": "China",
"TH": "Thailand"
},
focused: {
countryOfResidence: false,
loginName: false,
password: false,
reEnterPassword: false
},
form: {
countryOfResidence: "",
loginName: "",
password: "",
reEnterPassword: ""
}
},
computed: {
validCountryOfResidence: function() {
return this.countryOfResidence != "";
},
validLoginName: function() {
return this.loginNameLength
&& this.loginNameStartWithAlphabet
&& this.loginNameContainAlphabetsAndNumbers;
},
loginNameLength: function() {
return this.checkLength(this.form.loginName, 5, 14);
},
loginNameStartWithAlphabet: function() {
var regex = /^[a-zA-Z]+.*$/i;
return regex.test(this.form.loginName);
},
loginNameContainAlphabetsAndNumbers: function() {
var regex = /^(?=.*[a-z])(?=.*[0-9])[a-z0-9]{5,14}$/i;
return regex.test(this.form.loginName);
},
validPassword: function() {
return this.passwordLength
&& this.passwordContainAlphabetsNumbersSpecialChars
&& this.doesNotContainLoginName;
},
passwordContainAlphabetsNumbersSpecialChars: function() {
var regex = /^(?=.*[a-zA-Z])(?=.*[0-9]).{8,15}$/;
return regex.test(this.form.password);
},
passwordLength: function() {
return this.checkLength(this.form.password, 8, 15);
},
doesNotContainLoginName: function() {
return this.form.password.indexOf(this.form.loginName) >= 0 == false;
},
validReEnterPassword: function() {
return this.form.password == this.form.reEnterPassword;
},
},
methods: {
onSubmit() {
alert('submitted');
},
checkLength(value, min, max) {
if (value.length < min || value.length > max) {
return false;
}
return true;
}
}
})
</script>
</body>
</html>