使用Javascript的HTML表单未验证而是更改了链接

Code:

<h1>Login Form</h1>
<form onsubmit="loginUsingPassword(this.form.loginPassword.value);return false;">
Password : <input type="password" name="loginPassword" /> <input type="submit" value="Submit" />
</form>

<script>
//This is for verifying use.
function generateUserPassword(){
var passwordArray = [];
passwordArray[0]="198237645";
passwordArray[1]="infotalkong";
function loginUsingPassword(inputPassword){
for (int i; i<passwordArray.length; i++){
if (inputPassword=passwordArray[i]){
document.cookie="reportLogged=true;";
window.location.href="/go.html?url=https://tool-box.weebly.com/report.html";
}
}
}
</script>
<h1>Login Form</h1>
<form onsubmit="log