How do you safely insert a variable into an array with postgresql and nodejs?

I can unsafely modify an array like this:

How do you safely insert a variable into an array with postgresql and nodejs?

I can unsafely modify an array like this:

nodejs / postgres connect issue

I am new on nodejs and postgres and I have this code

nodejs / postgres connect issue

I am new on nodejs and postgres and I have this code

nodejs / postgres connect issue

I am new on nodejs and postgres and I have this code

nodejs / postgres connect issue

I am new on nodejs and postgres and I have this code

nodejs / postgres connect issue

I am new on nodejs and postgres and I have this code

PostGres INSERT ERROR error: invalid message format

I have table like this:

PostGres INSERT ERROR error: invalid message format

I have table like this:

PostGres INSERT ERROR error: invalid message format

I have table like this: