ele[attribute] matches ele elements with attribute attribute.
ele[attribute = value] matches elements with attribute attribute and value value.
ele[attribute ~= value] matches elements with attribute attribute and one of its values being value. (Multiple values are separated by spaces)
ele[attribute |= value] matches elements with attribute attribute and one of the values is value or ele elements starting with value followed by a "-" hyphen.
ele[attribute ^= val] matches elements with attribute attribute and value starting with val.
ele[attribute $= val] matches elements with attribute attribute and value ending in val.
ele[attribute *= val] matches elements with attribute attribute and value containing val.
See code:
<!DOCTYPE html><html><head><style>[lang~=china]{background:yellow;}[lang|=english]{background:red;}[lang^=au]{background:green;}[lang$=en]{background:gray;}[lang*=lo]{background:blue;}</style></head><body><p lang="china">Hello!</p><p lang="english-1">Hi!</p><p lang="aus">Ello!</p><p lang="us-en">Hi!</p><p lang="color">nihao!</p><p><b>注释：</b>对于 IE8 及更早版本的浏览器中的 [attribute|=value]，必须声明 <!DOCTYPE>。</p></body></html>
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