Baseline Widely available
overflow
㯠CSS ã®ä¸æ¬æå®ããããã£ã§ãã³ã³ãã³ããè¦ç´ ã®ããã£ã³ã°ããã¯ã¹ã«åã¾ããªãï¼ã¯ã¿åºãï¼å ´åã«ãæ°´å¹³æ¹åããã³åç´æ¹åã®æã¾ããåä½ãè¨å®ãã¾ãã
<section class="default-example" id="default-example">
<p id="example-element">
Michaelmas term lately over, and the Lord Chancellor sitting in Lincoln's
Inn Hall. Implacable November weather. As much mud in the streets as if the
waters had but newly retired from the face of the earth.
</p>
</section>
#example-element {
width: 15em;
height: 9em;
border: medium dotted;
padding: 0.75em;
text-align: left;
}
æ§æè¦ç´ ã®ããããã£
ãã®ããããã£ã¯ä»¥ä¸ã® CSS ããããã£ã®ä¸æ¬æå®ã§ãã
æ§æ/* ãã¼ã¯ã¼ãå¤ */
overflow: visible;
overflow: hidden;
overflow: clip;
overflow: scroll;
overflow: auto;
overflow: hidden visible;
/* ã°ãã¼ãã«å¤ */
overflow: inherit;
overflow: initial;
overflow: revert;
overflow: revert-layer;
overflow: unset;
overflow
ããããã£ã¯ã1 ã¤ã¾ã㯠2 ã¤ã® <overflow>
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㨠overflow-y
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ã«é©ç¨ããã¾ãã
visible
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hidden
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scroll
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auto
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ã¾ã㯠max-inline-size
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/clip
ã¯ãããã auto
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: æå®éãããã ã overflow-x
㨠overflow-y
ã®ã©ã¡ããã visible
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/clip
ã¯ãããã auto
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ã¨è¨ç®ãããoverflow =ã¢ã¯ã»ã·ããªãã£
<'overflow-block'>{1,2}<overflow-block> =
visible |
hidden |
clip |
scroll |
auto
ã¹ã¯ãã¼ã«ããã³ã³ãã³ãé åã¯ããã¼ãã¼ãã®ã¿ã使ç¨ããã¦ã¼ã¶ã¼ã«ã¯ã¹ã¯ãã¼ã«ã§ãã¾ããããã ããFirefox ã使ç¨ãã¦ããã¦ã¼ã¶ã¼ã¯ä¾å¤ã§ãï¼Firefox ã§ã¯ãã³ã³ããã¼ãæ¢å®ã§ã¯ãã¼ãã¼ãæä½å¯è½ã«è¨å®ããã¦ãã¾ãï¼ã
éçºè
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屿§ã使ç¨ã㦠tabindex="0"
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¨ä½ãã¢ãã¦ã³ã¹ããå¯è½æ§ãé«ãã§ããé©å㪠WAI-ARIA ãã¼ã«ï¼ä¾ãã° role="region"
ï¼ã¨ã¢ã¯ã»ã·ãã«åï¼aria-label
ã¾ã㯠aria-labelledby
ã«ãã£ã¦ï¼ãæå®ãããã¨ã§ããã®åé¡ã軽æ¸ã§ãã¾ãã
<div>
<code>visible</code>
<p class="visible">
Maya Angelou: "I've learned that people will forget what you said, people
will forget what you did, but people will never forget how you made them
feel."
</p>
</div>
<div>
<code>hidden</code>
<p class="hidden">
Maya Angelou: "I've learned that people will forget what you said, people
will forget what you did, but people will never forget how you made them
feel."
</p>
</div>
<div>
<code>clip</code>
<p class="clip">
Maya Angelou: "I've learned that people will forget what you said, people
will forget what you did, but people will never forget how you made them
feel."
</p>
</div>
<div>
<code>scroll</code>
<p class="scroll">
Maya Angelou: "I've learned that people will forget what you said, people
will forget what you did, but people will never forget how you made them
feel."
</p>
</div>
<div>
<code>auto</code>
<p class="auto">
Maya Angelou: "I've learned that people will forget what you said, people
will forget what you did, but people will never forget how you made them
feel."
</p>
</div>
<div>
<code>overlay</code>
<p class="overlay">
Maya Angelou: "I've learned that people will forget what you said, people
will forget what you did, but people will never forget how you made them
feel."
</p>
</div>
CSS
body {
display: flex;
flex-wrap: wrap;
justify-content: start;
}
div {
margin: 2em;
font-size: 1.2em;
}
p {
width: 5em;
height: 5em;
border: dotted;
margin-top: 0.5em;
}
div:nth-of-type(5),
div:nth-of-type(6) {
margin-top: 200px;
}
p.visible {
overflow: visible;
}
p.hidden {
overflow: hidden;
}
p.clip {
overflow: clip;
overflow-clip-margin: 1em;
}
p.scroll {
overflow: scroll;
}
p.auto {
overflow: auto;
}
p.overlay {
overflow: overlay;
}
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