These two days when doing a front-end project, you want to iterate through the checkbox on the page using jquery, with the following code:
Copy Code code as follows:
var val_instancecodestr = "";
$ ("input[type= ' checkbox '] [name= ' Chk_jvmmachinename ']:checked"). each (function () {Val_instancecodestr
The verification methods of radio, checkbox, and select are not much different from those mentioned above, but the problem is that the error message is displayed after the first element in the same group. The effect is as follows:
The solution to this problem is to specify the error information to a specific location. The parameters of the validate () method can be customized. The sample code is as follows:
View code
Script Type
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To achieve such a basic requirement, the page has a lot of data, you can delete one or more, before deleting to determine whether to select at least one, otherwise prompt. functionDeleteUser () { //was trying to save the content in a str+= "" way, but no . //var str; varArray =NewArray ();//The ID used to save the selected data varFlag//determine if a non-selected$ ("Input[name= ' Selectflag ']:
In jQuery, checkbox repeatedly calls attr ('checked', true/false). Only the solution that takes effect for the first time is jqueryattr.
The example in this article describes how checkbox repeatedly calls attr ('checked', true/false) in jQuery to only take effect for the first time. We will share this with you for you
'). length> 0) {$ ('. page ','. content '). hide (); $ ('. page-4 ','. content '). show ();} else {page4 = render_page (load_page (4); // get the structure of page4 $ ('. page ','. content '). hide (); $ ('. content '). append (page4 );}
In this way, you can save the page information when switching the page.
Solution 2---Create an object to store page data and allow it to support custom events. WhenPAGEWhen the content changes, repeatPAGERendering. T
JQuery operates the implementation code of inputtypecheckbox. If you need it, you can refer to it. Here, I suggest you read our previous articles.
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1. The first and second place in the group can only be selected.
Var len = $ ("input [name = 'nation']: checked"). length; if (len = 0) {alert ("se
jquery Ajax Post Pass array, multi-checkbox fetch valuehttp://w8700569.iteye.com/blog/1954396Use $.each (function () {}) to get the corresponding value in the checkbox.Traditional must be set to True when Ajax is uploaded$ ('. But_delet_choice '). Click (function(){ var$check _boxes = $ (' input[type=checkbox
The example in this article describes how jquery gets the value of multiple checkbox asynchronously submitted to PHP. Share to everyone for your reference. The implementation methods are as follows:
HTML code:
My HTML data is read from the database, this can be understood as the following code
jquery Code:
var mt4ids = [];
$
JQuery implements the amount input box and jquery amount Input
During front-end development, a value input box is usually used. For example, you must enter the amount, enter non-numeric characters, or paste non-numeric characters. How can this problem be achieved?
First, use
In the process of using jquery, a more specific attribute is found, that is, whether the checkbox of the input tag is selectedafter jquery 1.6 + , the check state of the checkbox is not obtained directly from $ (XXX). attr ("checked"), but prop (NAME|PROPERTIES|KEY,VALUE|FN)
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
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.
Use jquery to get a value for the selected state of a group or a single checkbox. This is illustrated by an example, assuming that there is an ID for the name of a set of checkboxes on an existing page, then the method to get the value of this set of Name=id checkboxes is as follows: JS code var id_array=new array (); $ (' input[name= ' id "]:checked '). each (fu
problem: JQ is used at work uery operation of the Multi-box (checkbox) Knowledge, the previous records and notes to find out the direct use, but the problem arises, deselect, select the specified multi-box again, with the browser (F12) is added checked property, but the page display is not selected (no tick) , here's a summary of how to solve the problem. Here's a solution (using jquery version 2.1.3):1. St
Recent projects found that jquery's full and non-select operations for the checkbox are only valid for the first time and will not take effect after the jquery repository is not known, and eventually a solution is found:Put the original following two sentences:$ (' input '). attr (' checked ', ' checked ');$ (' input '
The checkbox has a. Checked notation that determines whether the current is selected, but this is for the type of [object Htmlinputelement], which is not available for the type [object Object]$ ("#checkall"). Checked will appear undefined$ ("#checkall"). Click (function () { if ("#checkall") {attr ("checked")) {//jquery object is selected, and another is prop $ (" Input:checkbox[na
jquery checkbox Full Selection Effect code, a very simple code can be, such as $ (' input[type=checkbox] '). attr (' checked ', $ (checkbox). attr (' checked ')); Oh
Here's the example jquery code as follows
HTML code
The example in this article describes the method in which jquery determines that at least one checkbox is selected. Share to everyone for your reference. The implementation methods are as follows:
HTML code section:
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jquery Code section:
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var checkboxes = $ ("
I can see a friend in the garden who wrote JQuery to select all the Checkbox control code on the current page. I am very self-aware and I also want to try it out. If there is a square House, I am very grateful.
Code
Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->$ (Function (){
$ ("# SelectAll"). click (function (){
If ($ ("# selectAll: checked"). length>
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