var array = [ 1, 2, 3, 4, 5, 6, 7 ]; // 4 삭제 var removedArray = array.splice( 3, 1 ); document.write( "array" ); for( let vari in array ) { document.write( "<li>" + array[ vari ] + "</li>" ); } document.write( "<br><br>" ); document.write( "removedArray" ); for( let vari in removedArray ) { document.write( "<li>" + removedArray[ vari ] + "</li>" ); }