By GokiSoft.com|
15:24 23/10/2020|
Học JS
[Share Code] Chia sẻ code - Regular Express và LocalStorage - Lập trình Javascript
<!DOCTYPE html>
<html>
<head>
<title>HTML Tutorial</title>
<meta charset="utf-8">
</head>
<body>
<form method="post" onsubmit="return saveData()">
<p>
<label>Fullname: </label>
<input required type="text" name="fullname" size="50" placeholder="Enter full name" maxlength="50" pattern="[a-z0-9A-Z ]{5,50}" id="fullname_form">
</p>
<p>
<label>Email: </label>
<input required type="email" name="email" size="50" placeholder="Enter email" id="email_form">
</p>
<p>
<label>Phone: </label>
<input required type="telno" name="phone_number" size="50" placeholder="Enter phone" pattern="[+]?[0-9]{9,15}" minlength="6" id="phone_number_form">
</p>
<p>
<label>Age: </label>
<input required type="number" name="age" size="50" placeholder="Enter age" min="0" max="100" id="age_form">
</p>
<button>Save</button>
<button type="button" onclick="readData()">Read</button>
</form>
<script type="text/javascript">
function saveData() {
fullname = document.getElementById('fullname_form').value
email = document.getElementById('email_form').value
phone_number = document.getElementById('phone_number_form').value
age = document.getElementById('age_form').value
console.log(fullname)
console.log(email)
console.log(phone_number)
console.log(age)
//save data => localstorage
localStorage.setItem('fullname_db', fullname)
localStorage.setItem('email_db', email)
localStorage.setItem('phone_number_db', phone_number)
localStorage.setItem('age_db', age)
return true;
}
function readData() {
fullname = localStorage.getItem('fullname_db')
email = localStorage.getItem('email_db')
phone_number = localStorage.getItem('phone_number_db')
age = localStorage.getItem('age_db')
console.log(fullname)
console.log(email)
console.log(phone_number)
console.log(age)
document.getElementById('fullname_form').value = fullname
document.getElementById('email_form').value = email
document.getElementById('phone_number_form').value = phone_number
document.getElementById('age_form').value = age
}
// readData()
</script>
</body>
</html>Tags:
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