JS get Select drop-down box the value value of each option is relatively easy, but getting the text value is a bit of a hassle, for a beginner JavaScript novice, may not be able to find a moment, then please look at the method of this article, Take
First Photo:Second picture/*** This method is to go to heavy, so-called deduplication is because the echo to select the value is attached and set to selected the selected state, and when we initialize all the Select Add Option element in the Echo
The select label in HTML, also the Asp:dropdownlist control in asp.net.
How JavaScript operates on them
first, the basic understanding
Copy Code code as follows:
var e = document.getElementById ("Selectid");
E. options= new
jquery Gets the text and value selected by select:Syntax Explanation:1. $ ("#select_id"). Change (function () {//code ...}); Adds an event for select, triggering 2 when one of the items is selected. var checktext=$ ("#select_id"). Find
This article mainly introduces the values (Sample Code) of the select, dropdownlist, and checkbox drop-down lists obtained by JS and Jquery. If you need them, you can refer to them and hope to help you.
JQuery gets the selected Text and Value of
This article mainly introduces the values (Sample Code) of the select, dropdownlist, and checkbox drop-down lists obtained by JS and Jquery. If you need them, you can refer to them and hope to help you.
JQuery gets the selected Text and Value of
HTML (select option) for Javascript
I. Basic understanding:
VaR E = Document. getelementbyid ("selectid ");
E. Options = New Option ("text", "value ");
// Create an option object, that is, create one or more text In the label.
//
jquery Gets the text and value of the Select selection: Syntax Explanation: 1. $ ("#select_id"). Change (function () {//code ...}); Adds an event for select, triggering 2 when one of the items is selected. var checktext=$ ("#select_id"). Find
This article mainly introduces how to create html tags in js and add the default option value and text under select. It is very practical and can be viewed by friends.
The drop-down box label in jsp:
The Code is as follows: Multiple = "true"
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.