Example code _ jQuery

This article introduces the sample code for getting jQuery forms and getting results without the focus input box. For more information, see The Code is as follows:

$ ("# Focus. input_txt"). each (function (){
Var thisVal = $ (this). val ();
// Determine whether the value of the text box is null. If there is a value, the prompt is hidden and displayed if there is no value.
If (thisVal! = ""){
$ (This). siblings ("span"). hide ();
} Else {
$ (This). siblings ("span"). show ();
}
// Focus input box Verification
$ (This). focus (function (){
$ (This). siblings ("span"). hide ();
}). Blur (function (){
Var val = $ (this). val ();
If (val! = ""){
$ (This). siblings ("span"). hide ();
} Else {
$ (This). siblings ("span"). show ();
}
});
})
$ ("# Keydown. input_txt"). each (function (){
Var thisVal = $ (this). val ();
// Determine whether the value of the text box is null. If there is a value, the prompt is hidden and displayed if there is no value.
If (thisVal! = ""){
$ (This). siblings ("span"). hide ();
} Else {
$ (This). siblings ("span"). show ();
}
$ (This). keyup (function (){
Var val = $ (this). val ();
$ (This). siblings ("span"). hide ();
}). Blur (function (){
Var val = $ (this). val ();
If (val! = ""){
$ (This). siblings ("span"). hide ();
} Else {
$ (This). siblings ("span"). show ();
}
})
})
})
Script