jQWidgets jqxBarcode getDataURLAsync() Method
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 getDataURLAsync() method is used to return the base64 string of the displayed QR code. It returns an object value.
Syntax:
var getDataURLAsync = $('Selector').jqxBarcode("getDataURLAsync", "format");
Parameters:
- format: It is the stated data URL format of the base64 string. For example, svg, png, or jpg. It is of type string.
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 getDataURLAsync() method 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 getDataURLAsync() method </ h3 > < div id = "jqxb" ></ div > < input type = "button" style = "margin:29px;" id = "jqxbtn" value = "Click here" /> < div id = "log" ></ div > </ center > < script type = "text/javascript" > $(document).ready(function () { $("#jqxb").jqxBarcode({ }); $("#jqxbtn").jqxButton({ width: 280 }); $("#jqxbtn").on("click", function () { $('#jqxb').jqxQRcode('getDataURLAsync', "svg"); $('#log').text("Function invoked!"); }); }); </ script > </ body > </ html > |
Output:
Example 2: The following is another example of the jqxBarcode getDataURLAsync() method 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 getDataURLAsync() method </ h3 > < div id = "jqxb" ></ div > < input type = "button" style = "margin:29px;" id = "jqxbtn" value = "Click here" /> < div id = "log" ></ div > </ center > < script type = "text/javascript" > $(document).ready(function () { $("#jqxb").jqxBarcode({ }); $("#jqxbtn").jqxButton({ width: 280 }); $("#jqxbtn").on("click", function () { var format = null; var g = $('#jqxb').jqxQRcode('getDataURLAsync', format); if (format === null) { $('#log').text("Null!"); } else { $('#log').text("Not null!"); } }); }); </ script > </ body > </ html > |
Output:
Reference: https://www.jqwidgets.com/jquery-widgets-documentation/documentation/jqxbarcode/jqxbarcode-api.htm?search=
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