javascript - variable at end of string -


i'm trying open popup window on left upper corner of current window. far y positioning works fine, can't x work. how syntax right?

function openpopup() {  var url = this.href;  window.open(url, 'popup_id', 'scrollbars, resizable, width=400, height=300, top='+ window.screeny,'left='+ window.screenx'');  return false; }

you forgot second +

window.open(url, 'popup_id', 'scrollbars, resizable, width=400, height=300, top='+ window.screeny +', left='+ window.screenx);

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