c# recurise function test works on debug not on run code example

Example 1: unity how to make code only run in editor

#if UNITY_EDITOR       //Code here for Editor only.   #endif

Example 2: java script how to not allow soace

$(function() {
        $('#input1').on('keypress', function(e) {
            if (e.which == 32){
                console.log('Space Detected');
                return false;
            }
        });
});