Hi,

Not sure if I'm alone here, but I use WhatsApp web on chrome like all day, and one thing that really bothers me is accidentally sending a message to the wrong group. We've all seen the consequences online, for some it's just a funny mistake, for others it's disastrous.

So I wrote a tiny little script that you can inject into chrome that prompts a confirmation before you send a message to any group. You'll need to install a chrome extension that can inject javascript into the web page, and enable jQuery 2.xxx.

Here's the script, hope someone else finds it useful. Improvements & suggestions, are welcome. It's very brittle since I rely on class names to find out what's going on in the page, but at least for now it works.

Note: Once you "Save" the script in the extension, reload the page, noticed that jQuery fails to load 1st time round, after that it's ok.

//----------------Script start

jQuery.noConflict();

jQuery(document).keydown(function(e) {

    var groupIconCount = jQuery('.pane-chat .icon-group-default').length;

    if(groupIconCount > 0 ){

        var groupName = jQuery('.pane-chat .chat-title .emojitext:first').text();

        

        if(e.which == 13) {

            if(confirm('Are you sure you want to send that message to ' + groupName + '?')==false){

                 e.preventDefault();

                 e.stopPropagation();

                 jQuery('.input-placeholder .input').text('');

                 return false;

            }

        }

    }

    else{

        console.log('Not in group, confirm aborted!');

    }

    

});

jQuery(document).click(function(){

    var groupName = jQuery('.pane-chat .chat-title .emojitext:first').text();

    jQuery('.input-emoji .input-placeholder').html('Type a message to <b style="color:' + getRandomColor() + '">' + groupName.toUpperCase() + '</b>.');

})

function getRandomColor() {

    var letters = '0123456789ABCDEF';

    var color = '#';

    for (var i = 0; i < 6; i++ ) {

        color += letters[Math.floor(Math.random() * 16)];

    }

    return color;

}

//--------------------Script End

Regards,

John K.

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