[javascript] window.open(url, '_blank'); not working on iMac/Safari

I've build a web page that let's you select a page name from a drop down list and then transfers the browser to that page. The code that does the transfer is

if (url){
    window.open(url, '_blank');

where "url" is the page selected.

A console log just before the window.open line prints something like:

    executing: window.open(http://www.mywebsite.com/44/threats.html, '_blank')

and then the browsers opens the page in a new tab.

This works fine on Windows 7 for all the browsers, including Safari.

On an iMac it works for Firefox but not for Safari.

Does anyone know why iMac/Safari won't do this?

This question is related to javascript macos safari

The answer is

To use window.open() in safari you must put it in an element's onclick event attribute.

For example: <button class='btn' onclick='window.open("https://www.google.com", "_blank");'>Open Google search</button>

The correct syntax is window.open(URL,WindowTitle,'_blank') All the arguments in the open must be strings. They are not mandatory, and window can be dropped. So just newWin=open() works as well, if you plan to populate newWin.document by yourself. BUT you MUST use all the three arguments, and the third one set to '_blank' for opening a new true window and not a tab.

There's a setting in Safari under "Tabs" that labeled Open pages in tabs instead of windows: with a drop down with a few options. I'm thinking yours may be set to Always. Bottom line is you can't rely on a browser opening a new window.

window.location.assign(url) this fixs the window.open(url) issue in ios devices

Safari is blocking any call to window.open() which is made inside an async call.

The solution that I found to this problem is to call window.open before making an asnyc call and set the location when the promise resolves.

var windowReference = window.open();

myService.getUrl().then(function(url) {
     windowReference.location = url;

Taken from the accepted answers comment by Steve on Dec 20, 2013:

Actually, there's a very easy way to do it: just click off "Block popup windows" in the iMac/Safari browser and it does what I want.

To clarify, when running Safari on Mac OS X El Capitan:

  1. Safari -> Preferences
  2. Security -> Uncheck 'Block pop-up windows'

You can't rely on window.open because browsers may have different policies. I had the same issue and I used the code below instead.

let a = document.createElement("a");
a.style = "display: none";
a.href = <your_url>;
a.download = <your_fileName>;

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