function showArray(array1) { document.forms.form1.display1.value = array1; } function lengthArray(array1) { document.forms.form1.display2.value = array1.length; } function reverseArray(array1) { document.forms.form1.display3.value = array1.reverse(); } function sortArray(array1) { document.forms.form1.display4.value = array1.sort(); }