my $js_string_sub = sub {
#${$_[0]} =~ s/(['\\\n])/'\\'.($1 eq "\n" ? 'n' : $1)/ge;
${$_[0]} =~ s/(['\\])/\\$1/g;
${$_[0]} =~ s/\r/\\r/g;
${$_[0]} =~ s/\n/\\n/g;
my $js_string_sub = sub {
#${$_[0]} =~ s/(['\\\n])/'\\'.($1 eq "\n" ? 'n' : $1)/ge;
${$_[0]} =~ s/(['\\])/\\$1/g;
${$_[0]} =~ s/\r/\\r/g;
${$_[0]} =~ s/\n/\\n/g;