html multi select checkbox

First to show you the effect of the picture, if you feel good, please continue to refer to the implementation code. HTML code: jquery code: Note: Due to the changes in the jquery version, the new version appears only once, the older version is OK, the new version can not use attr to set the selected state, the first solution is to use the JS native method This.checked=true/false; The second solution is to replace attr

. $ ("#select_id option:last"). Remove (); Delete index value in select maximum option (last)4. $ ("#select_id option[index= ' 0 ']"). Remove (); Delete Option with index value 0 in select (first)5. $ ("#select_id option[value= ' 3 ']"). Remove (); Delete Option for value= ' 3 ' in select5. $ ("#select_id option[text= ' 4 ']"). Remove (); Delete option for text= ' 4 ' in selecthttp://www.cnblogs.com/SAL2928

In the construction of the site, let the check box and all the cancellation is more commonly used, the following describes how to use a sentence to solve the full selection function;In fact, it is very simple, that is, using the function of counting jquery deprecated the last piece of code in this article;Well, the method I want to introduce is finished;Well, don't smash the eggs; I'm kidding. The code is belowJavaScript section:function Checkall (obj) {$ ("#box input[type= '

In the construction of the site, let the check box and all the cancellation is more commonly used, the following describes how to use a sentence to solve the full selection function;In fact, it is very simple, that is, using the function of counting jquery deprecated the last piece of code in this article;Well, the method I want to introduce is finished;650) this.width=650; "alt=" u=3644218134,974193839fm=21gp=0_ copy. jpg "src=" http://www.baijunyao.com/Upload /image/ueditor/20150429/1430237383

jquery Radio value, checkbox value, select Value, Radio selected, CheckBox selected, select selected, and related Gets the value of a set of radio selected items var item = $ (' input[@name =items][@checked] '). Val (); Gets the text of the Select selected item var item = $

Gets the value of a set of radio selected itemsvar item = $ (' input[@name =items][@checked] '). Val ();Gets the text of the Select selected itemvar item = $ ("select[@name =items] option[@selected]"). Text ();The second element of the Select Drop-down box is the currently selected value$ (' #select_id ') [0].selectedindex = 1; Radio the second element of a radio

In the construction of the site, let the check box and all the cancellation is more commonly used, the following describes how to use a sentence to solve the full selection function; In fact, it is very simple, that is, using the function of counting jquery deprecated the last piece of code in this article; Well, the method I want to introduce is finished; Well, don't smash the eggs; I'm kidding. The code is below JavaScript section: function Checkall (obj) {$ ("#box input[type= '

[Html]JQuery gets the selected Text and Value of Select:Syntax explanation:1. $ ("# select_id"). change (function () {// code...}); // Add an event for Select, triggered when one of the Select events is selected2. var checkText = $ ("# select_id"). find ("option: selected"). text (); // obtain the selected Text3. var checkValue = $ ("# select_id"). val (); // obt

Jquery radio, checkbox, select, radio, checkbox, select, and relatedObtains the value of a set of radio selected items.Var item = $ ('input [@ name = items] [@ checked] '). val ();Obtain the text of the selected select item.Var item = $ ("

DOCTYPE HTML>HTMLLang= "en"> Head> MetaCharSet= "UTF-8"> Metaname= "Generator"content=""> Metaname= "Author"content=""> Metaname= "Keywords"content=""> Metaname= "Description"content=""> title>CheckBox Select all/Reverse Selectiontitle> Scriptsrc= "Jquery.js"> Script> Scripttype= "Text/javascript">$ (document). Ready (function(){ $("#check"). Change (f

); } else{ $ ("#SelectAll"). attr ("checked", false);} } The ID of the Select checkbox is SelectAll, and the name of the sub-checkbox is Subcheck.The JSP page code is as follows:[HTML]View PlainCopy input type="checkbox" id="SelectAll" value="

DOCTYPE HTML PUBLIC "-//w3c//dtd HTML 4.01 transitional//en" "Http://www.w3.org/TR/html4/loose.dtd ">HTML> Head> title>jquery Operation Radio, checkbox, select Exampletitle> Metaname= "Generator"content= "EditPlus"> Metaname= "Author"content=""> Metaname= "Keywords"conte

(); Delete index value maximum option (last) in select4. $ ("#select_id option[index= ' 0 ']"). Remove (); Delete option with index value of 0 in select (first)5. $ ("#select_id option[value= ' 3 ']"). Remove (); Delete option value= ' 3 ' in select5. $ ("#select_id option[text= ' 4 ']"). Remove (); Delete option text= ' 4 ' in selectjquery Radio value, checkbox value,

1 2. $ ("# select_id"). val (4); // Select an item whose Value is set to 4. 3. $ ("# select_id option [text = 'jquery ']"). attr ("selected", true); // set the Select Text value to jQuery. JQuery adds/deletes Select Option items: Syntax explanation: 1. $ ("# select_id"). append (" Text"); // Append an Option to Select