This test checks that style.borderSpacing returns the correct result for valid, negative, and missing border-spacing values. On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". Valid values: PASS document.getElementById("infer-vertical-border-spacing").style.borderSpacing is "4px" PASS document.getElementById("explicit-border-spacing").style.borderSpacing is "4px 5px" PASS computedStyle(document.getElementById("computed-infer-vertical-border-spacing")).borderSpacing is "11px 11px" PASS cssRule("#computed-infer-vertical-border-spacing").style.borderSpacing is "11px" PASS computedStyle(document.getElementById("computed-explicit-border-spacing")).borderSpacing is "13px 23px" PASS cssRule("#computed-explicit-border-spacing").style.borderSpacing is "13px 23px" Negative values: PASS document.getElementById("infer-vertical-border-spacing-from-negative-horizontal-spacing").style.borderSpacing is "" PASS document.getElementById("explicit-negative-border-spacing").style.borderSpacing is "" PASS document.getElementById("explicit-border-spacing-with-negative-horizontal").style.borderSpacing is "" PASS document.getElementById("explicit-border-spacing-with-negative-vertical").style.borderSpacing is "" PASS cssRule("#computed-infer-vertical-border-spacing-from-negative-horizontal-border-spacing").style.borderSpacing is "" PASS cssRule("#computed-explicit-negative-border-spacing").style.borderSpacing is "" PASS cssRule("#computed-explicit-border-spacing-with-negative-horizontal").style.borderSpacing is "" PASS cssRule("#computed-explicit-border-spacing-with-negative-vertical").style.borderSpacing is "" Missing values: PASS document.getElementById("missing-border-spacing").style.borderSpacing is "" PASS cssRule("#missing-stylesheet-border-spacing").style.borderSpacing is "" TEST COMPLETE