jQWidgets jqxBarcode invalid Event
jQWidgets is a JavaScript framework for making web-based applications for PC and mobile devices. It is a very powerful, optimized, platform-independent, and widely supported framework. The jqxBarcode is used to indicate a widget that can display various forms of bar codes.
The invalid event is activated whenever the value of the displayed QR code is not valid.
Syntax:
$('Selector').on("invalid ", function (event) { // Code });
Linked Files: Download jQWidgets from the given link. In the HTML file, locate the script files in the downloaded folder.
<link rel=”stylesheet” href=”jqwidgets/styles/jqx.base.css” type=”text/css” />
<script type=”text/javascript” src=”scripts/jquery-1.11.1.min.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxcore.js”> </script>
<script type=”text/javascript” src=”jqwidgets/jqxbarcode.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxbuttons.js”></script>
Example 1: The below example illustrates the jqxBarcode invalid event in jQWidgets.
HTML
<!DOCTYPE html> < html lang = "en" > < head > < link rel = "stylesheet" href = "jqwidgets/styles/jqx.base.css" type = "text/css" /> < script type = "text/javascript" src = "jqwidgets/jqxcore.js" > </ script > < script type = "text/javascript" src = "scripts/jquery-1.11.1.min.js" > </ script > < script type = "text/javascript" src = "jqwidgets/jqxbarcode.js" > </ script > < script type = "text/javascript" src = "jqwidgets/jqxbuttons.js" > </ script > </ head > < body > < center > < h1 style = "color:green" > w3wiki </ h1 > < h3 >jQWidgets jqxBarcode invalid Event</ h3 > < div id = "jqxb" ></ div > < div id = "log" ></ div > </ center > < script type = "text/javascript" > $(document).ready(function () { $("#jqxb").jqxBarcode({ value: "Code13o", }); $("#jqxb").on('invalid', function (event) { $("#log").text("Triggered!"); }); }); </ script > </ body > </ html > |
Output:
Example 2: The following is another example of the jqxBarcode invalid event in jQWidgets.
HTML
<!DOCTYPE html> < html lang = "en" > < head > < link rel = "stylesheet" href = "jqwidgets/styles/jqx.base.css" type = "text/css" /> < script type = "text/javascript" src = "jqwidgets/jqxcore.js" > </ script > < script type = "text/javascript" src = "scripts/jquery-1.11.1.min.js" > </ script > < script type = "text/javascript" src = "jqwidgets/jqxbarcode.js" > </ script > < script type = "text/javascript" src = "jqwidgets/jqxbuttons.js" > </ script > </ head > < body > < center > < h1 style = "color: green" > w3wiki </ h1 > < h3 >jQWidgets jqxBarcode invalid Event </ h3 > < div id = "jqxb" ></ div > < br > < div id = "log" ></ div > </ center > < script type = "text/javascript" > $(document).ready(function () { $("#jqxb").jqxBarcode({ value: "Code", }); $("#jqxb").on('invalid', function (event) { }); var iv = $('#jqxb').jqxBarcode('isValid'); if (iv === false) { $('#log').text("Triggered!"); } else { $('#log').text("Not triggered!"); } }); </ script > </ body > </ html > |
Output:
Reference: https://www.jqwidgets.com/jquery-widgets-documentation/documentation/jqxbarcode/jqxbarcode-api.htm?search=
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