Test that setting and getting grid-template-columns and grid-template-rows works as expected On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". Test getting grid-template-columns and grid-template-rows set through CSS PASS window.getComputedStyle(gridWithFixedElement, '').getPropertyValue('grid-template-columns') is "(first) 10px" PASS window.getComputedStyle(gridWithFixedElement, '').getPropertyValue('grid-template-rows') is "(first) 15px" PASS window.getComputedStyle(gridWithPercentElement, '').getPropertyValue('grid-template-columns') is "424px (last)" PASS window.getComputedStyle(gridWithPercentElement, '').getPropertyValue('grid-template-rows') is "162px (last)" PASS window.getComputedStyle(gridWithPercentWithoutSize, '').getPropertyValue('grid-template-columns') is "0px (last)" PASS window.getComputedStyle(gridWithPercentWithoutSize, '').getPropertyValue('grid-template-rows') is "0px (last)" PASS window.getComputedStyle(gridWithPercentWithoutSizeWithChildren, '').getPropertyValue('grid-template-columns') is "77px (last)" PASS window.getComputedStyle(gridWithPercentWithoutSizeWithChildren, '').getPropertyValue('grid-template-rows') is "22px (last)" PASS window.getComputedStyle(gridWithAutoElement, '').getPropertyValue('grid-template-columns') is "(first) 0px" PASS window.getComputedStyle(gridWithAutoElement, '').getPropertyValue('grid-template-rows') is "0px (last)" PASS window.getComputedStyle(gridWithAutoWithChildrenElement, '').getPropertyValue('grid-template-columns') is "(first) 77px" PASS window.getComputedStyle(gridWithAutoWithChildrenElement, '').getPropertyValue('grid-template-rows') is "22px (last)" PASS window.getComputedStyle(gridWithMinMax, '').getPropertyValue('grid-template-columns') is "(first) 80px" PASS window.getComputedStyle(gridWithMinMax, '').getPropertyValue('grid-template-rows') is "300px (last)" PASS window.getComputedStyle(gridWithFixedMultiple, '').getPropertyValue('grid-template-columns') is "(first nav) 10px (last)" PASS window.getComputedStyle(gridWithFixedMultiple, '').getPropertyValue('grid-template-rows') is "(first nav) 15px (last)" PASS window.getComputedStyle(gridWithPercentageSameStringMultipleTimes, '').getPropertyValue('grid-template-columns') is "(first nav) 80px (nav) 120px (last)" PASS window.getComputedStyle(gridWithPercentageSameStringMultipleTimes, '').getPropertyValue('grid-template-rows') is "(first nav2) 150px (nav2) 450px (last)" PASS window.getComputedStyle(gridWithRepeatElement, '').getPropertyValue('grid-template-columns') is "(first) 10px (nav nav2) 400px (nav nav2) 400px" PASS window.getComputedStyle(gridWithRepeatElement, '').getPropertyValue('grid-template-rows') is "100px (nav nav2) 150px (nav nav2) 150px (last)" PASS window.getComputedStyle(gridWithEmptyParentheses, '').getPropertyValue('grid-template-columns') is "10px" PASS window.getComputedStyle(gridWithEmptyParentheses, '').getPropertyValue('grid-template-rows') is "20px 50px" Test getting and setting grid-template-columns and grid-template-rows through JS PASS getComputedStyle(element, '').getPropertyValue('grid-template-columns') is "(first) 18px" PASS element.style.gridTemplateColumns is "(first) 18px" PASS getComputedStyle(element, '').getPropertyValue('grid-template-rows') is "66px (last)" PASS element.style.gridTemplateRows is "66px (last)" PASS getComputedStyle(element, '').getPropertyValue('grid-template-columns') is "(first) 440px" PASS element.style.gridTemplateColumns is "(first) 55%" PASS getComputedStyle(element, '').getPropertyValue('grid-template-rows') is "240px (last)" PASS element.style.gridTemplateRows is "40% (last)" PASS getComputedStyle(element, '').getPropertyValue('grid-template-columns') is "(first) 0px" PASS element.style.gridTemplateColumns is "(first) auto" PASS getComputedStyle(element, '').getPropertyValue('grid-template-rows') is "0px (last)" PASS element.style.gridTemplateRows is "auto (last)" PASS getComputedStyle(element, '').getPropertyValue('grid-template-columns') is "(first) 0px" PASS element.style.gridTemplateColumns is "(first) min-content" PASS getComputedStyle(element, '').getPropertyValue('grid-template-rows') is "0px (last)" PASS element.style.gridTemplateRows is "min-content (last)" PASS getComputedStyle(element, '').getPropertyValue('grid-template-columns') is "(first) 0px" PASS element.style.gridTemplateColumns is "(first) max-content" PASS getComputedStyle(element, '').getPropertyValue('grid-template-rows') is "0px (last)" PASS element.style.gridTemplateRows is "max-content (last)" PASS getComputedStyle(element, '').getPropertyValue('grid-template-columns') is "(first) 440px" PASS element.style.gridTemplateColumns is "(first) minmax(55%, 45px)" PASS getComputedStyle(element, '').getPropertyValue('grid-template-rows') is "240px (last)" PASS element.style.gridTemplateRows is "minmax(30px, 40%) (last)" PASS getComputedStyle(element, '').getPropertyValue('grid-template-columns') is "(first) 220px" PASS element.style.gridTemplateColumns is "(first) minmax(22em, max-content)" PASS getComputedStyle(element, '').getPropertyValue('grid-template-rows') is "50px (last)" PASS element.style.gridTemplateRows is "minmax(max-content, 5em) (last)" PASS getComputedStyle(element, '').getPropertyValue('grid-template-columns') is "(first) 220px" PASS element.style.gridTemplateColumns is "(first) minmax(22em, min-content)" PASS getComputedStyle(element, '').getPropertyValue('grid-template-rows') is "50px (last)" PASS element.style.gridTemplateRows is "minmax(min-content, 5em) (last)" PASS getComputedStyle(element, '').getPropertyValue('grid-template-columns') is "(first) 0px" PASS element.style.gridTemplateColumns is "(first) minmax(min-content, max-content)" PASS getComputedStyle(element, '').getPropertyValue('grid-template-rows') is "0px (last)" PASS element.style.gridTemplateRows is "minmax(max-content, min-content) (last)" PASS getComputedStyle(element, '').getPropertyValue('grid-template-columns') is "(first nav) 0px (last)" PASS element.style.gridTemplateColumns is "(first nav) minmax(min-content, max-content) (last)" PASS getComputedStyle(element, '').getPropertyValue('grid-template-rows') is "(first nav) 0px (last)" PASS element.style.gridTemplateRows is "(first nav) minmax(max-content, min-content) (last)" PASS getComputedStyle(element, '').getPropertyValue('grid-template-columns') is "(first nav) 0px (nav) 0px (last)" PASS element.style.gridTemplateColumns is "(first nav) minmax(min-content, max-content) (nav) auto (last)" PASS getComputedStyle(element, '').getPropertyValue('grid-template-rows') is "(first nav2) 0px (nav2) 15px (last)" PASS element.style.gridTemplateRows is "(first nav2) minmax(max-content, min-content) (nav2) minmax(10px, 15px) (last)" PASS getComputedStyle(element, '').getPropertyValue('grid-template-columns') is "(foo bar) 0px (foo) 0px (bar)" PASS element.style.gridTemplateColumns is "(foo bar) auto (foo) auto (bar)" PASS getComputedStyle(element, '').getPropertyValue('grid-template-rows') is "(foo bar) 0px (foo) 0px (bar)" PASS element.style.gridTemplateRows is "(foo bar) auto (foo) auto (bar)" PASS getComputedStyle(element, '').getPropertyValue('grid-template-columns') is "(first) 0px (foo bar) 20px (foo bar) 20px" PASS element.style.gridTemplateColumns is "(first) auto (foo bar) 20px (foo bar) 20px" PASS getComputedStyle(element, '').getPropertyValue('grid-template-rows') is "220px (foo) 300px (baz)" PASS element.style.gridTemplateRows is "220px (foo) 50% (baz)" Test getting invalid grid-template-columns and grid-template-rows set through CSS PASS window.getComputedStyle(gridWithoutParentheses, '').getPropertyValue('grid-template-columns') is "none" PASS window.getComputedStyle(gridWithoutParentheses, '').getPropertyValue('grid-template-rows') is "none" PASS window.getComputedStyle(gridWithInvalidNestedParentheses, '').getPropertyValue('grid-template-columns') is "none" PASS window.getComputedStyle(gridWithInvalidNestedParentheses, '').getPropertyValue('grid-template-rows') is "none" PASS window.getComputedStyle(gridWithUnbalancedParentheses, '').getPropertyValue('grid-template-columns') is "none" PASS window.getComputedStyle(gridWithUnbalancedParentheses, '').getPropertyValue('grid-template-rows') is "none" PASS window.getComputedStyle(gridWithMisplacedParentheses, '').getPropertyValue('grid-template-columns') is "none" PASS window.getComputedStyle(gridWithMisplacedParentheses, '').getPropertyValue('grid-template-rows') is "none" PASS window.getComputedStyle(gridWithContiguousParentheses, '').getPropertyValue('grid-template-columns') is "none" PASS window.getComputedStyle(gridWithContiguousParentheses, '').getPropertyValue('grid-template-rows') is "none" Test getting and setting invalid grid-template-columns and grid-template-rows through JS PASS window.getComputedStyle(element, '').getPropertyValue('grid-template-columns') is "none" PASS window.getComputedStyle(element, '').getPropertyValue('grid-template-rows') is "none" PASS window.getComputedStyle(element, '').getPropertyValue('grid-template-columns') is "none" PASS window.getComputedStyle(element, '').getPropertyValue('grid-template-rows') is "none" PASS window.getComputedStyle(element, '').getPropertyValue('grid-template-columns') is "none" PASS window.getComputedStyle(element, '').getPropertyValue('grid-template-rows') is "none" PASS window.getComputedStyle(element, '').getPropertyValue('grid-template-columns') is "none" PASS window.getComputedStyle(element, '').getPropertyValue('grid-template-rows') is "none" PASS window.getComputedStyle(element, '').getPropertyValue('grid-template-columns') is "none" PASS window.getComputedStyle(element, '').getPropertyValue('grid-template-rows') is "none" PASS window.getComputedStyle(element, '').getPropertyValue('grid-template-columns') is "none" PASS window.getComputedStyle(element, '').getPropertyValue('grid-template-rows') is "none" PASS successfullyParsed is true TEST COMPLETE