jquery create input checkbox

Today writes the page to encounter the check box dynamic full selection or all does not select the question, the normal wording is as follows:$ ("#tb"). Find ("input[type= ' checkbox ']"). attr ("Checked", "checked");but! First click the Select All button input to display the check, the second time is not, looked under the proposal with prop, pro-test effective.

Select All, select All$ (' #checkAll '). Click (function () { $ (' input[name= ' Subbox "] '). Prop (" Checked ", this.checked);});This cannot be used for $ (' input[name= ' Subbox "]). attr ("Checked", this.checked); This will void the second time.However, the $ (' input[name= ' Subbox "]) is not very good and should be changed to: $ (" Input:checkbox[name=

using the $ ("* *"). attr ("Attrname"); the jquery version uses 1.9, which is a compatibility and stability issue. The jquery API clearly shows that 1.6+ jquery is judged by the attributes of the prop, especially the checked of the checkbox, i.e. Copy Code code as follows: $ ("

Tag: Type element returns jquery get multi-select Judge Remove docIn JS:document.getElementById ("Checkboxid"). Checked returns TRUE or FalseIn jquery:$ ("input[type= ' checkbox ']"). Is (': Checked ') returns TRUE or Falseattr () method sets or returns the value of an alternate elementattr (property name)//Get the val

Today, a colleague is not too much to choose the value of the box and assignment problems, I helped him to solve a bit, do not want their friends can refer to.Gets the value of the checkbox with the following HTML"checkbox"Value="1"Name="Sproblem">Check1"checkbox"Value="2"Name="Sproblem">Check2"checkbox"Value="3"Name="

Use jquery to get the value of the check box for the selected checkbox:The checkbox is an important form element that is used in a number of multiple choices, and the following is an example of how to get the values of all the selected items in the check box, in order to bring some help to a friend who needs it.The code is as follows:DOCTYPE HTML>HTML>Head>MetaCharSet= "Utf-8">Metaname= "Author"content= "ht

="B">class="Item"> } jquery Code:$(". Items Input"). Click (function () {varAnswer =""; if(Type = ="Radio") {Answer= $(": radio[name=sin]:checked"). Val (); alert (answer); } Else if(Type = ="Multi-Select") { $(": checkbox[name=mul]:checked"). each (function () {answer+= $( This). Val () +","; }); } Else{Answer= $("input:radio[n

Jquery returns the value of the Radio radio button $ ("input [name = 'items ']: checked "). val (); and: judge whether radio is selected and obtain the selected value as follows: function checkradio () {var item = $ (": Radio: checked "); vaR Len = item. length; If (LEN> 0) {alert ("Yes -- the selected value is:" + $ (": Radio: checked "). val () ;}} jquery radio

,VALUE|FN) Overview Gets the property value of the first element in the matching set of elements.With some built-in properties of the DOM element or Window object, if you attempt to delete the property, the browser may produce an error. jquery allocates the properties of the undefined value for the first time, ignoring any errors generated by the browser.The jquery API clearly shows that 1.6+

1. Set checkbox check: Select multiple marquee checkbox=$ ("#agentinfo input[name= ' veri[]"); Loop the value Checkbox.each (function () {for (var j=0;j 2. Modify CheckBox selection by clicking 3. Get the selected value in the checkbox Get mul

We all know that JQuery can set the DOM properties by the Attr method, and naturally think of the $ (DOM). attr (' checked ', ' checked '); This method selects the checkbox, but there is a problem with the recent use of checkbox selection and reverse selection in the project:After using the Attr method to set the selection, click the first time to set the reverse

One. in the HTML checkbox, the selected word will have the attribute checked= "checked ". If a checkbox is selected, alert the CheckBox's property "checked" with the value alert ($ "#xxx". attr ("checked")), which prints "true" instead of " Checked "! If not selected, the print is "undefined ". That's weird, isn't it? Keep looking down ~Do not attempt to make such a judgment: if ($ "#xxx". attr ("checke

(");//为Select插入一个Option(第一个位置) 3 $("#select_id option:last").remove();//删除Select中索引值最大Option(最后一个) 4 $("#select_id option[index=‘0‘]").remove();//删除Select中索引值为0的Option(第一个) 5 $("#select_id option[value=‘3‘]").remove();//删除Select中Value=‘3‘的Option 6 $("#select_id option[text=‘4‘]").remove();//删除Select中Text=‘4‘的Option jq