Editing Array vs Object read/write This edit will create a new revision. Your details (optional) Name Email (won’t be displayed; might be used for Gravatar) URL Test case details Title * Published (uncheck if you want to fiddle around before making the page public) Description (in case you feel further explanation is needed)(Markdown syntax is allowed) Test Object/Array access Are you a spammer? (just answer the question) Preparation code Preparation code HTML (this will be inserted in the <body> of a valid HTML5 document in standards mode) (useful when testing DOM operations or including libraries) Include JavaScript libraries as follows: <script src="//cdn.ext/library.js"></script> Define setup for all tests (variables, functions, arrays or other objects that will be used in the tests) (runs before each clocked test loop, outside of the timed code region) (e.g. define local test variables, reset global variables, clear canvas, etc.) (see FAQ) var array = [ 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0 ]; var obj = { m0:0,m1:0,m2:0,m3:0, m4:0,m5:0,m6:0,m7:0, m8:0,m9:0,m10:0,m11:0, m12:0,m13:0,m14:0,m15:0 }; var nativeArray = new Array(array); var int8Array = new Int8Array(array); var int16Array = new Int16Array(array); var int32Array = new Int32Array(array); var float32Array = new Float32Array(array); var float64Array = new Float64Array(array); var b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q; Define teardown for all tests (runs after each clocked test loop, outside of the timed code region) (see FAQ) Code snippets to compare Test 1 Title Async (check if this is an asynchronous test) Code b = obj.m0; c = obj.m1; d = obj.m2; e = obj.m3; f = obj.m4; g = obj.m5; h = obj.m6; i = obj.m7; j = obj.m8; k = obj.m9; l = obj.m10; m = obj.m11; n = obj.m12; o = obj.m13; p = obj.m14; q = obj.m15; Test 2 Title Async (check if this is an asynchronous test) Code obj.m0 = 1; obj.m1 = 2; obj.m2 = 3; obj.m3 = 4; obj.m4 = 0; obj.m5 = 5; obj.m6 = 6; obj.m7 = 7; obj.m8 = 0; obj.m9 = 0; obj.m10 = 8; obj.m11 = 9; obj.m12 = 0; obj.m13 = 0; obj.m14 = 0; obj.m15 = 10; Test 3 Title Async (check if this is an asynchronous test) Code b = nativeArray[0]; c = nativeArray[1]; d = nativeArray[2]; e = nativeArray[3]; f = nativeArray[4]; g = nativeArray[5]; h = nativeArray[6]; i = nativeArray[7]; j = nativeArray[8]; k = nativeArray[9]; l = nativeArray[10]; m = nativeArray[11]; n = nativeArray[12]; o = nativeArray[13]; p = nativeArray[14]; q = nativeArray[15]; Test 4 Title Async (check if this is an asynchronous test) Code nativeArray[0] = 1; nativeArray[1] = 2; nativeArray[2] = 3; nativeArray[3] = 4; nativeArray[4] = 0; nativeArray[5] = 5; nativeArray[6] = 6; nativeArray[7] = 7; nativeArray[8] = 0; nativeArray[9] = 0; nativeArray[10] = 8; nativeArray[11] = 9; nativeArray[12] = 0; nativeArray[13] = 0; nativeArray[14] = 0; nativeArray[15] = 10; Test 5 Title Async (check if this is an asynchronous test) Code b = int8Array[0]; c = int8Array[1]; d = int8Array[2]; e = int8Array[3]; f = int8Array[4]; g = int8Array[5]; h = int8Array[6]; i = int8Array[7]; j = int8Array[8]; k = int8Array[9]; l = int8Array[10]; m = int8Array[11]; n = int8Array[12]; o = int8Array[13]; p = int8Array[14]; q = int8Array[15]; Test 6 Title Async (check if this is an asynchronous test) Code int8Array[0] = 1; int8Array[1] = 2; int8Array[2] = 3; int8Array[3] = 4; int8Array[4] = 0; int8Array[5] = 5; int8Array[6] = 6; int8Array[7] = 7; int8Array[8] = 0; int8Array[9] = 0; int8Array[10] = 8; int8Array[11] = 9; int8Array[12] = 0; int8Array[13] = 0; int8Array[14] = 0; int8Array[15] = 10; Test 7 Title Async (check if this is an asynchronous test) Code b = array[0]; c = array[1]; d = array[2]; e = array[3]; f = array[4]; g = array[5]; h = array[6]; i = array[7]; j = array[8]; k = array[9]; l = array[10]; m = array[11]; n = array[12]; o = array[13]; p = array[14]; q = array[15]; Test 8 Title Async (check if this is an asynchronous test) Code array[0] = 1; array[1] = 2; array[2] = 3; array[3] = 4; array[4] = 0; array[5] = 5; array[6] = 6; array[7] = 7; array[8] = 0; array[9] = 0; array[10] = 8; array[11] = 9; array[12] = 0; array[13] = 0; array[14] = 0; array[15] = 10; Test 9 Title Async (check if this is an asynchronous test) Code b = int16Array[0]; c = int16Array[1]; d = int16Array[2]; e = int16Array[3]; f = int16Array[4]; g = int16Array[5]; h = int16Array[6]; i = int16Array[7]; j = int16Array[8]; k = int16Array[9]; l = int16Array[10]; m = int16Array[11]; n = int16Array[12]; o = int16Array[13]; p = int16Array[14]; q = int16Array[15]; Test 10 Title Async (check if this is an asynchronous test) Code int16Array[0] = 1; int16Array[1] = 2; int16Array[2] = 3; int16Array[3] = 4; int16Array[4] = 0; int16Array[5] = 5; int16Array[6] = 6; int16Array[7] = 7; int16Array[8] = 0; int16Array[9] = 0; int16Array[10] = 8; int16Array[11] = 9; int16Array[12] = 0; int16Array[13] = 0; int16Array[14] = 0; int16Array[15] = 10; Test 11 Title Async (check if this is an asynchronous test) Code b = int32Array[0]; c = int32Array[1]; d = int32Array[2]; e = int32Array[3]; f = int32Array[4]; g = int32Array[5]; h = int32Array[6]; i = int32Array[7]; j = int32Array[8]; k = int32Array[9]; l = int32Array[10]; m = int32Array[11]; n = int32Array[12]; o = int32Array[13]; p = int32Array[14]; q = int32Array[15]; Test 12 Title Async (check if this is an asynchronous test) Code int32Array[0] = 1; int32Array[1] = 2; int32Array[2] = 3; int32Array[3] = 4; int32Array[4] = 0; int32Array[5] = 5; int32Array[6] = 6; int32Array[7] = 7; int32Array[8] = 0; int32Array[9] = 0; int32Array[10] = 8; int32Array[11] = 9; int32Array[12] = 0; int32Array[13] = 0; int32Array[14] = 0; int32Array[15] = 10; Test 13 Title Async (check if this is an asynchronous test) Code b = float32Array[0]; c = float32Array[1]; d = float32Array[2]; e = float32Array[3]; f = float32Array[4]; g = float32Array[5]; h = float32Array[6]; i = float32Array[7]; j = float32Array[8]; k = float32Array[9]; l = float32Array[10]; m = float32Array[11]; n = float32Array[12]; o = float32Array[13]; p = float32Array[14]; q = float32Array[15]; Test 14 Title Async (check if this is an asynchronous test) Code float32Array[0] = 1; float32Array[1] = 2; float32Array[2] = 3; float32Array[3] = 4; float32Array[4] = 0; float32Array[5] = 5; float32Array[6] = 6; float32Array[7] = 7; float32Array[8] = 0; float32Array[9] = 0; float32Array[10] = 8; float32Array[11] = 9; float32Array[12] = 0; float32Array[13] = 0; float32Array[14] = 0; float32Array[15] = 10; Test 15 Title Async (check if this is an asynchronous test) Code b = float64Array[0]; c = float64Array[1]; d = float64Array[2]; e = float64Array[3]; f = float64Array[4]; g = float64Array[5]; h = float64Array[6]; i = float64Array[7]; j = float64Array[8]; k = float64Array[9]; l = float64Array[10]; m = float64Array[11]; n = float64Array[12]; o = float64Array[13]; p = float64Array[14]; q = float64Array[15]; Test 16 Title Async (check if this is an asynchronous test) Code float64Array[0] = 1; float64Array[1] = 2; float64Array[2] = 3; float64Array[3] = 4; float64Array[4] = 0; float64Array[5] = 5; float64Array[6] = 6; float64Array[7] = 7; float64Array[8] = 0; float64Array[9] = 0; float64Array[10] = 8; float64Array[11] = 9; float64Array[12] = 0; float64Array[13] = 0; float64Array[14] = 0; float64Array[15] = 10;