Codehs 8.1.5 Manipulating 2d - Arrays

var array = [[1, 2, 3], [4, 5, 6], [7, 8, 9]]; array.splice(1, 1); // remove row at index 1 console.log(array); // output: [[1, 2, 3], [7, 8, 9]] To remove a column from a 2D array, you need to iterate through each row and remove the corresponding element.