After inputting login details i would like the target.html page to load in the same window. Currently it loads in a new tab.
<body>
<div class="loginbox">
<img src="images/avatar.png" class="avatar">
<h1>Login</h1>
<form>
<p>Username</p>
<input type="text" name="userid" placeholder="Enter Username">
<p>Password</p>
<input type="password" name="pswrd" placeholder="Enter Password">
<input type="submit" onclick="check(this.form)" value="Login">
</form>
<script language="javascript">
function check(form) {
if (form.userid.value == "username" && form.pswrd.value == "password") {
window.open('target.html')
} else {
alert("Error Password or Username")
}
}
</script>
</div>
</body>