Hi,
I just started learning prototype, and I encountered a problem
while trying Event.observe(window,'load',func);
When I try to run the code below, I get null for formObject. Shouldn't
the class be created only after the body loads ? It behaves as though,
the function creates an instance of the class Login even before the
window load runs. How can I run this code correctly ?
My aim is to make the Login class listen to the submit event of the
siginForm and retrieve the values in the form.
//======== login.html ====================
<html>
<title> Hello world</title>
<script type="text/javascript" src="prototype.js"></script>
<script type="text/javascript" src="newClass.js"></script>
<script type="text/javascript">
Event.observe(window, 'load',function(){
new Login('signinForm').register();
}, false);
</script>
<body>
<form name="signinForm" method="POST" action="">
UserName :<input type="text" name="username"
id="username"/><br/>
Password :<input type="text" name="password"
id="password"/><br/>
<input type="submit" value="Submit form"/>
</form>
</body>
</html>
//=======newClass.js=================
var Login = Class.create({
initialize: function(formName){
alert(formName);
this.formObject = $(formName);
alert(this.formObject);
this.uName=this.formObject.username;
this.pass=this.formObject.password;
},
loginValidate: function(){
alert("Login action performed. username => "+this.uName.value
+"password => "+this.pass.value);
},
register: function(){
this.formObject.observe('submit',this.loginValidate);
}
});
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