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Click jQuery implementation button

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Click jQuery implementation button

This article mainly introduces information about jQuery's button selection, and check box text box form verification. For more information, see

Click "select all"/"select multiple"/"check box" in jQuery to verify the form.

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<! Doctype html public "-// W3C // dtd html 4.01 Transitional // EN">

<Html>

<Head>

<Base href = "<% = basePath %>">

 

<Title> My JSP 'index. jsp 'starting page </title>

<Meta http-equiv = "pragma" content = "no-cache">

<Meta http-equiv = "cache-control" content = "no-cache">

<Meta http-equiv = "expires" content = "0">

<Meta http-equiv = "keywords" content = "keyword1, keyword2, keyword3">

<Meta http-equiv = "description" content = "This is my page">

<! --

<Link rel = "stylesheet" type = "text/css" href = "styles.css">

-->

<Script type = "text/javascript" src = "jquery-1.4.js"> </script>

<Script type = "text/javascript">

$ (Document). ready (function (){

// Button

$ ("# But"). click (function (){

Alert ("This is my JSP page ");

});

 

// Text box

$ ("# Btext"). click (function (){

Alert ($ ("# te"). val ());

});

 

// Drop-down list

$ ("# Sel"). change (function (){

Alert ($ ("# sel"). val ());

});

 

// Single region

$ ("# Uradio1"). click (function (){

Alert ($ ('input [name = "radiobuttid = on"]: checked'). val ());

});

$ ("# Uradio2"). click (function (){

Alert ($ ('input [name = "radiobutton"]: checked'). val ());

});

$ ("# Uradio3"). click (function (){

Alert ($ ('input [name = "radiobutton"]: checked'). val ());

});

 

// Check box

$ ("# Ucheck"). click (function (){

Var str = ""; // defines an array

$ ('Input [name = "checkbox"]: checked'). each (function () {// traverse each check box named interest, where the selected execution function

Str + = $ (this). val (); // Add the selected value to the array chk_value

 

});

Alert (str );

});

// Select all

$ ("# Checkall"). click (function (){

$ ("Input [name = 'items ']"). attr ("checked", true );

});

 

// None

$ ("# CheckallNo"). click (function (){

$ ("Input [name = 'items ']"). attr ("checked", false );

});

 

// Invert Selection

$ ("# Check_revsern"). click (function (){

$ ("Input [name = 'items ']"). each (function (){

$ (This). attr ("checked ",! $ (This). attr ("checked "));

});

});

 

// Select all/reselect

$ ("# CheckItems"). click (function (){

$ ("Input [name = 'items ']"). attr ("checked", $ (this). get (0). checked );

});

 

// Form Verification

$ ("# Nameid"). hide ();

$ ("# Ageid"). hide ();

 

$ ("# Ubu"). click (function (){

If ($ ("# name"). val () = ""){

$ ("# Nameid"). show ();

$ ("# Nameid"). fadeOut (3000 );

Return false;

} Else if ($ ("# age"). val () = ""){

$ ("# Ageid"). show ();

$ ("# Ageid"). fadeOut (3000 );

Return false;

}

Alert ($ ("# sel"). val ());

Alert ("name:" + $ ("# name"). val () + "" + "age" + $ ("# age"). val ());

});

 

});

</Script>

</Head>

 

<Body>

<! -- Button -->

<Input type = "button" value = "OK" id = "but"/> <br>

 

<! -- Text box -->

<Input type = "text" name = "text" id = "te"/> <input type = "button" id = "btext" value = "value"> <br>

 

<! -- Drop-down box -->

<Select id = "sel">

<Option value = "1"> 1 </option>

<Option value = "2"> 2 </option>

<Option value = "3"> 3 </option>

</Select>

<Br>

 

<! -- Single region -->

<Input type = "radio" name = "radiobutton" id = "uradio1" value = "1"> 1

<Input type = "radio" name = "radiobutton" id = "uradio2" value = "2"> 2

<Input type = "radio" name = "radiobutton" id = "uradio3" value = "3"> 3

<Br>

 

<! -- Check box -->

<Input type = "checkbox" name = "checkbox" value = "1"> 1

<Input type = "checkbox" name = "checkbox" value = "2"> 2

<Input type = "checkbox" name = "checkbox" value = "3"> 3

<Input type = "checkbox" name = "checkbox" value = "4"> 4

<Input type = "button" id = "ucheck" value = "OK">

<Br>

 

<! -- Select all and invert check boxes -->

<Input type = "checkbox" name = "checkItems" id = "checkItems" value = "select all/select none"/> select all/select none

<Br>

<Input type = "checkbox" name = "items" value = ""/> football

<Input type = "checkbox" name = "items" value = "basketball"/> basketball

<Input type = "checkbox" name = "items" value = "swimming"/> swimming

<Input type = "checkbox" name = "items" value = "singing"/> singing

<Br>

<Input type = "button" name = "checkall" id = "checkall" value = "select all"/>

<Input type = "button" name = "checkall" id = "checkallNo" value = "NONE"/>

<Input type = "button" name = "checkall" id = "check_revsern" value = ""/>

 

<! -- Form verification -->

<Form action = "">

Name: <input type = "text" id = "name"> <span id = "nameid" style = "color: # f00;"> name cannot be blank! </Span> <br>

Age: <input type = "text" id = "age"/> <span id = "ageid" style = "color: # f00;"> age cannot be blank! </Span> <br>

<Input type = "button" id = "ubu" value = "OK"/>

</Form>

</Body>

</Html>

 

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