The method setwidth resets the width of selected columns.
columns - An array of column numbers.
width - width of the columns to be set in px.
var pggrid = new jsgrid();
pggrid.init({
id: "wrp",
rows: 5,
columns: 12,
width: 25,
height: 20,
gutter: 1,
backgroundColor: "#7fffd4"
});
pggrid.setwidth([2, 3, 4, 5], 50);