background-position-computed.html (2931B)
1 <!DOCTYPE html> 2 <html> 3 <head> 4 <meta charset="utf-8"> 5 <title>CSS Backgrounds and Borders: getComputedStyle().backgroundPosition</title> 6 <link rel="help" href="https://drafts.csswg.org/css-backgrounds/#background-position"> 7 <meta name="assert" content="background-position computed value is a list, each item a pair of offsets (horizontal and vertical) from the top left origin each given as a computed <length-percentage> value."> 8 <script src="/resources/testharness.js"></script> 9 <script src="/resources/testharnessreport.js"></script> 10 <script src="/css/support/computed-testcommon.js"></script> 11 <style> 12 #target { 13 font-size: 40px; 14 } 15 </style> 16 </head> 17 <body> 18 <div id="target"></div> 19 <script> 20 test_computed_value("background-position", "1px", "1px 50%"); 21 test_computed_value("background-position", "1px center", "1px 50%"); 22 test_computed_value("background-position", "-2% -3%"); 23 test_computed_value("background-position", "5% top", "5% 0%"); 24 test_computed_value("background-position", "center", "50% 50%"); 25 test_computed_value("background-position", "center center", "50% 50%"); 26 test_computed_value("background-position", "center 6px", "50% 6px"); 27 test_computed_value("background-position", "center left", "0% 50%"); 28 test_computed_value("background-position", "center right 7%", "93% 50%"); 29 test_computed_value("background-position", "center bottom", "50% 100%"); 30 test_computed_value("background-position", "center top 8px", "50% 8px"); 31 test_computed_value("background-position", "left", "0% 50%"); 32 test_computed_value("background-position", "right 9%", "100% 9%"); 33 test_computed_value("background-position", "left 10px center", "10px 50%"); 34 test_computed_value("background-position", "right 11% bottom", "89% 100%"); 35 test_computed_value("background-position", "left 12px top 13px", "12px 13px"); 36 test_computed_value("background-position", "right center", "100% 50%"); 37 test_computed_value("background-position", "left bottom", "0% 100%"); 38 test_computed_value("background-position", "right top 14%", "100% 14%"); 39 test_computed_value("background-position", "bottom", "50% 100%"); 40 test_computed_value("background-position", "top 15px center", "50% 15px"); 41 test_computed_value("background-position", "bottom 16% left", "0% 84%"); 42 test_computed_value("background-position", "top 17px right -18px", "calc(100% + 18px) 17px"); 43 test_computed_value("background-position", "bottom center", "50% 100%"); 44 test_computed_value("background-position", "top left", "0% 0%"); 45 test_computed_value("background-position", "bottom right 19%", "81% 100%"); 46 test_computed_value("background-position", "calc(10px + 0.5em) calc(10px - 0.5em)", "30px -10px"); 47 test_computed_value("background-position", "calc(10px - 0.5em) calc(10px + 0.5em)", "-10px 30px"); 48 49 // See background-computed.html for a test with multiple background images. 50 test_computed_value("background-position", "12px 13px, 50% 6px, 30px -10px", "12px 13px"); 51 </script> 52 </body> 53 </html>