Call function with variable array

Question

The function works fine when calling like this.

 GenColumns({columns: [
 { headerText: "ID"},
 { headerText: "Doc"},
 { headerText: "Customer ID"}
 ] }]

But if I change to this, it doesn’t work.

 var col = [{ headerText: " ID", key: "D"},
 { headerText: "Doc"},
 { headerText: "Customer ID"}
 ];
 GenColumns({columns: [
 col
 ] })

How can I call function passing a generated string because "col" variable will be generated and does not type manually?

Thanks Wilson

• Matthew Mcveigh: GenColumns({columns: col})
• Johan: Change GenColumns({columns: [col] }) to GenColumns({columns: col }). col is already an array

Answer 1

This code

 var col = [{ headerText: " ID", key: "D"},
 { headerText: "Doc"},
 { headerText: "Customer ID"}
 ];
 GenColumns({columns: [
 col
 ] })

Is not the same as first one ... correct replacement is

 var col = [{ headerText: " ID", key: "D"},
 { headerText: "Doc"},
 { headerText: "Customer ID"}
 ];
 GenColumns({columns: col })

Because you duplicated the arrays. instead of columns : Array( Column ) you made columns : Array( Array( Column ))

Answer 2

Instead of

GenColumns({columns: [ col ] })

Use

GenColumns({columns: col})

As col is already an array you just need to pass it.

Answer 3

var col = [{ headerText: " ID", key: "D"},
 { headerText: "Doc"},
 { headerText: "Customer ID"}
 ];
 GenColumns({columns: col})