Javascript mailto using window open

The second argument in window.open is the target.

window.open('mailto:'+emailTo+'?cc='+emailCC+'&subject='+emailSub+'&body='+emailBody, '_self'); should do the trick.

Instead of:

window.open("mailto:"+emailTo+'?cc='+emailCC+'&subject='+emailSub+'&body='+emailBody);

You can try:

location.href = "mailto:"+emailTo+'?cc='+emailCC+'&subject='+emailSub+'&body='+emailBody;

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