​x
 
1
<!DOCTYPE html>
2
<title>Example</title>
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<style>
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    p {
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        font-size: 2em;
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    }
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    p[contenteditable="true"][spellcheck="true"] {
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        color: limegreen;
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    }
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    p[contenteditable="true"][spellcheck="false"] {
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        color: tomato;
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    }
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</style>
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​
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<p contenteditable="true" spellcheck="true">Editable with spellcheck
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<p contenteditable="true" spellcheck="false">Editable without spellcheck