Home >Backend Development >PHP Tutorial >RadioButton, input, CheckBox value assignment implementation code in jQuery

RadioButton, input, CheckBox value assignment implementation code in jQuery

PHP中文网
PHP中文网Original
2017-06-06 16:15:431735browse

1. jquery gets the radio group radio

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

2. jquery gets the next value of radiobutton

$("input[name='name']:checked").next().text()$("input[name='name']:checked").val()

3. jquery gets the input value

$('#id').val()

4. jquery determines the checkbox

$("#id:checkbox").attr("checked")
取值 $("#id").attr("value");

Assignment is to give the value directly in text(), val()

How does JQUERY get the text, areatext, radio, checkbox, and select values?

$("input").val();
$("textarea").text();
$("select").val();

Control form elements:
Text box, text area: $("#txt").attr("value",'');//Clear content
$("#txt").attr("value",'11');//Fill content
Multiple selection box checkbox: $("#chk1").attr("checked",'' );//Unchecked
$("#chk2").attr("checked",true);//Checked
if($("#chk1").attr('checked') ==undefined) //Judge whether

radio group radio has been checked: $("input[@type=radio]").attr("checked",'2');//Set value The item =2 is the currently selected item

drop-down box select: $("#sel").attr("value",'-sel3');//Set the item value=-sel3 as the currently selected item Item
$("

jQuery Gets and sets the value of the select drop-down box Article Category:.net Programming

Get Select:
Get select selected text:

$("#ddlRegType").find("option:selected").text();

Get the value selected by select:

$("#ddlRegType ").val();

Get the index selected by select:

$("#ddlRegType ").get(0).selectedIndex;

Set select:
Set select selected index:

$("#ddlRegType ").get(0).selectedIndex=index;//index为索引值

Set select selected value:

$("#ddlRegType ").attr("value","Normal“);
$("#ddlRegType ").val("Normal");
$("#ddlRegType ").get(0).value = value;

Set select selected text:

var count=$("#ddlRegType option").length;
for(var i=0;i<count;i++) 
{ if($("#ddlRegType ").get(0).options[i].text == text) 
{ 
$("#ddlRegType ").get(0).options[i].selected = true; 
break; 
} 
}
$("#select_id option[text=&#39;jQuery&#39;]").attr("selected", true);

Set select option item:

$("#select_id").append("

Clear Select:

$("#ddlRegType ").empty();
Statement:
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn