js print out of stack space Error

 

<embed id="embedId" src="' +pdf_url + '#toolbar=0" type="application/pdf" width="1200" height="750" name="pdfname">

let x = document.getElementById('embedId');
//x.printAll();// 不会报错 或者下面这种
x.print();

alert('Save Successfully! Please Print.\n\r 保存成功！请列印。');//必须加这个不然报错