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27 lines
962 B
HTML
27 lines
962 B
HTML
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<!DOCTYPE html>
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<html>
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<head>
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<style>
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optgroup {color: red}
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option {color: red}
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optgroup[disabled]:disabled {color: green}
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optgroup[disabled]:disabled + optgroup:not([disabled]):not(:disabled) {color: blue}
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optgroup[disabled]:disabled > option{color: green}
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optgroup:not([disabled]):not(:disabled) > option {color: blue}
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</style>
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</head>
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<body onload='document.getElementById("ogtwo").removeAttribute("disabled");
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document.getElementById("ogone").setAttribute("disabled", "disabled");'>
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<select size="7">
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<optgroup id="ogone" label="opt group 1">
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<option id="one">Should be no red</option>
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<option id="two">Should be no red</option>
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</optgroup>
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<optgroup id="ogtwo" label="opt group 2" disabled="disabled">
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<option id=three>Should be no red</option>
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<option id=four>Should be no red</option>
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</optgroup>
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</select>
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</body>
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</html>
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