gistfile1.txt

function disableCtrlKeyCombination(e)
{
    var key;
    var isCtrl;
    key = e.which;

    if( e.ctrlKey ){
        console.log('Ctrl+ASCII shortcut hooked.')
        if (String.fromCharCode(key).toLowerCase() == 'b') { //debug
            console.log('Ctrl+b')
        }
        e.stopPropagation()
        e.stopImmediatePropagation()
        return false;
    } else {
        return true;
    }
}

//$("[contenteditable='true'], textarea, input[type=text]").on('focus',function(e){
$(document).on('focus', "[contenteditable='true'], textarea, input[type=text]", function(e) {
    $(this).off('keydown')
    $(this).on('keydown', function(e){ disableCtrlKeyCombination(e) } )
})