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JQuery focus and blur event application details

Source: Internet
Author: User
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II. Specific implementation
Copy codeThe Code is as follows:
<! DOCTYPE html PUBLIC "-// W3C // DTDHTML 4.01 Transitional //" http://www.w3.org/TR/html4/loose.dtd ">
<Html>
<Head>
<Meta http-equiv = "Content-Type" content = "text/html; charset = UTF-8">
<Title> no text after clicking the mouse, text after moving the mouse </title>
<Script language = "JavaScript" src = "../jQuery/jquery-1.7.1.min.js"> </script>
<Script type = "text/javascript">
$ (Function (){
/* Triggered when you enter the focus */
$ ("# Account"). focus (function (){
VaroldValue = $ (this). val ();
If (oldValue = this. defaultValue ){
$ (This). val ("");
}
});
/* Triggered when the focus is lost */
$ ("# Account"). blur (function (){
Alert ("12 ");
VaroldValue = $ (this). val ();
If (oldValue = ""){
$ (This). val (this. defaultValue );
}
});
});
</Script>
</Head>
<Body>
Account: <input id = "account" name = "account" type = "text" value = "enter an account">
</Body>
</Html>

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Related Keywords:
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