[attribute ~ = value] is used to select the element that contains the specified vocabulary in the attribute value.
[attribute * = value] matches each element that contains the specified value in the attribute value.
p [class ~ = "lone"]
p [class * = "lone"]
there seems to be no difference between the two, huh?
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Test</title>
<style type="text/css">
p[class ~= "lone"]{
color: red;
}
p[class *= "abc"]{
color: blue;
}
</style>
</head>
<body>
<p class="lone">lone:
<p class="abc">abc:
<p class="lone1">lone1:
<p class="abc1">abc1:
</body>
</html>one contains a word , and the other contains a string that is different
.[attribute~=value] matches any entry in a space-delimited list. It matches attribute= "a valueb", but not attribute= "a valueb".
[attribute*=value] matches any substring. It matches attribute= "a valueb" and attribute= "a valueb", but not attribute= "x".
specify vocabulary ! = specify value
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