Jquery adds a string to the <a href='' > tag

 <a href="${cxt}/controller/method.action?tradeWaterNo=${order.tradeWaterNo}">

jshref  &guizi=001  
Mar.19,2021

var $a = $('a');
var temp =$a.attr('href')+"&guizi=001";
$a.attr('href',temp);

const $xx = $("-sharpxx");
$xx.attr("href", `${$xx.attr("href")}&guizi=001`);
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