• \n
    \nThe Web browser is ignored space,?? line breaks, and other formatting characters of text.\nIf you wanted some?? format then tag or attribute must have used every time.\nPre tag in HTML used to remove this drawback. Pre tag used to keep text format as it is.\nIt is?? changed when CSS tags are applied.\nPre tag in HTML shows the? preformatted text of the content.\n<\/pre>\n<\/body>\n<\/html><\/pre>\n

    輸出:<\/strong><\/p>\n

    \"HTML<\/p>\n

    上面代碼的解釋:<\/strong>展示上面的例子。當(dāng)預(yù)標(biāo)記應(yīng)用于內(nèi)容的所需部分時,內(nèi)容看起來按原樣格式化。當(dāng)前置標(biāo)簽應(yīng)用于文本時,空格和下一行不會被忽略。<\/p>\n

    2.在 Html 中不使用 Pre 標(biāo)記<\/h4>\n

    代碼:<\/b><\/p>\n

    \n\n\n using pre tag in html <\/title>\n<\/head>\n<body>
    <h1><a href="http://m.miracleart.cn/">国产av日韩一区二区三区精品,成人性爱视频在线观看,国产,欧美,日韩,一区,www.成色av久久成人,2222eeee成人天堂</a></h1>\nThe Web browser is ignored space, line breaks, and other\nformatting characters of text.\nIf you wanted some format then tag or attribute must have\nused every time.\nThis tag is used to remove this drawback. Pre tag used to\nkeep text format as it is. It is changed when CSS tags are applied.\nThis pre tag shows the preformatted text of the content.\n<\/body>\n<\/html><\/pre>\n<p><strong>輸出:<\/strong><\/p>\n<p><img  src=\"https:\/\/img.php.cn\/upload\/article\/000\/000\/000\/172543832530930.jpg\" alt=\"HTML 中的預(yù)標(biāo)記\" ><\/p>\n<p><strong>上面代碼的解釋:<\/strong>展示上面的例子,這是沒有使用它的。自動忽略空格、換行符和換行符。網(wǎng)頁根據(jù)他們的要求顯示內(nèi)容。為了留出空間并打破界限,我們必須使用 HTML 標(biāo)簽。<\/p>\n\n\n<h4>3.使用 HTML 其他標(biāo)簽<\/h4>\n<p><b>代碼:<\/b><\/p>\n<pre><!DOCTYPE>\n<html>\n<head>\n<title> using pre tag in html <\/title>\n<\/head>\n<body>\nThe Web browser is ignored space,         line breaks, and other formatting characters of text.<br>\nIf you wanted some    ? format then tag or attribute must have used every time.<br>\nThis is used to remove its drawback. Pre tag used to keep text format as it is.<br> It is changed when CSS tags are applied. <br>\nIt shows preformatted text of the content.<br>\n<\/body>\n<\/html><\/pre>\n<p><strong>輸出:<\/strong><\/p>\n<p><img  src=\"https:\/\/img.php.cn\/upload\/article\/000\/000\/000\/172543832754208.jpg\" alt=\"HTML 中的預(yù)標(biāo)記\" ><\/p>\n<p><strong>上述代碼說明:<\/strong>顯示上面的示例,該示例沒有使用 pre 標(biāo)簽。但我們沒有使用 pre 標(biāo)簽,而是使用其他 HTML 標(biāo)簽。 <br>標(biāo)簽用于換行, ?用于空格的字符。<\/p>\n<h3>預(yù)標(biāo)簽的使用<\/h3>\n<ul>\n<li>如果我們不使用標(biāo)簽和屬性,網(wǎng)頁會忽略空格和換行符。但每一行,我們都必須使用這些屬性。<\/li>\n<li>Pre 標(biāo)簽保留原始內(nèi)容格式。<\/li>\n<li>開發(fā)者可以為該塊使用一個標(biāo)簽,而不是使用多個標(biāo)簽。減少編碼,易于理解。<\/li>\n<\/ul>\n<p>Pre Tag 支持以下網(wǎng)絡(luò)瀏覽器:<\/p>\n<ul>\n<li>谷歌瀏覽器<\/li>\n<li>Internet Explorer<\/li>\n<li>火狐<\/li>\n<li>歌劇<\/li>\n<li>野生動物園<\/li>\n<\/ul>\n<h3>實(shí)施示例<\/h3>\n<p>下面是其中的實(shí)現(xiàn)示例:<\/p>\n<h4>示例#1<\/h4>\n<p>將 Pre Tag 與 CSS 標(biāo)簽一起使用。<\/p>\n<p><strong>代碼:<\/strong><\/p>\n\n\n<pre><!DOCTYPE>\n<html>\n<head>\n<title> using pre tag with CSS <\/title>\n<style>\npre {\nfont-family: Arial;\ncolor: yellow;\nborder: solid black;\nbackground-color: black;\n}\n<\/style>\n<\/head>\n<body>\n<pre>\nThe Web browser is ignored space, line breaks, and other formatting characters of text.\nIf you wanted some format then tag or attribute must have used every time.\nThis tag in HTML used to remove this drawback. Pre tag used to keep text format as it is.\nIt is changed when CSS tags are applied.\nThis tag in HTML shows the preformatted text of the content.\n<\/pre>\n<\/body>\n<\/html><\/pre>\n<p><strong>輸出:<\/strong><\/p>\n<p><img  src=\"https:\/\/img.php.cn\/upload\/article\/000\/000\/000\/172543832995577.jpg\" alt=\"HTML 中的預(yù)標(biāo)記\" ><\/p>\n<p><strong>上面代碼的解釋:<\/strong>顯示上面的例子是與CSS樣式標(biāo)簽一起使用的。如果您使用 pre 標(biāo)簽,那么 CSS 樣式標(biāo)簽也可以更改內(nèi)容的格式。樣式標(biāo)簽使用CSS中的字體樣式、邊框和文本顏色。<\/p>\n<h4>示例#2<\/h4>\n<p>下面的例子。這是其他 HTML 標(biāo)簽和 pre 標(biāo)簽與 CSS 的組合。<\/p>\n<p><strong>?代碼:<\/strong><\/p>\n<pre><!DOCTYPE>\n<html>\n<head>\n<title> using pre tag in html? with CSS <\/title>\n<style>\npre {\nfont-family: Arial;\ncolor: yellow;\nborder: solid black;\nbackground-color:black;\n}\n<\/style>\n<\/head>\n<body>\n<p>\nThe Web browser is ignored space, line breaks, and other formatting characters of text.\nIf you wanted some format then tag or attribute must have used every time.\nThis tag used to remove this drawback. Pre tag used to keep text format as it is.\nIt is changed when CSS tags are applied.\nIt shows the preformatted text of the content.\n<\/p>\n<pre>\nThe Web browser is ignored space, line breaks, and other formatting characters of text.\nIf you wanted some format then tag or attribute must have used every time.\nThis tag in HTML used to remove this drawback. Pre tag used to keep text format as it is.\nIt is changed when CSS tags are applied.\nThis tag in HTML shows the preformatted text of the content.\n<\/pre>\n<\/body>\n<\/html><\/pre>\n<p><strong>輸出:<\/strong><\/p>\n<p><img  src=\"https:\/\/img.php.cn\/upload\/article\/000\/000\/000\/172543833296074.jpg\" alt=\"HTML 中的預(yù)標(biāo)記\" ><\/p>\n<h3>結(jié)論<\/h3>\n<p>開發(fā)者使用此標(biāo)簽來減少編碼并獲取格式化內(nèi)容。網(wǎng)絡(luò)不能忽略 pre 標(biāo)簽內(nèi)內(nèi)容的格式。<\/p>"}	</script>
    	
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    									<a href="#在-Html-中使用-Pre-標(biāo)簽" title="1.在 Html 中使用 Pre 標(biāo)簽" >1.在 Html 中使用 Pre 標(biāo)簽</a>
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    									<a href="#預(yù)標(biāo)簽的使用" title="預(yù)標(biāo)簽的使用" >預(yù)標(biāo)簽的使用</a>
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    						<span>HTML 中的預(yù)標(biāo)記</span>
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    							<h1 class="Articlelist_txts_title">HTML 中的預(yù)標(biāo)記</h1>
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    							<span id="377j5v51b"    class="Articlelist_txts_time">Sep 04, 2024 pm	 04:25 PM</span>
    															<div   id="377j5v51b"   class="Articlelist_txts_infos">
    																			<span id="377j5v51b"    class="Articlelist_txts_infoss on">html</span>
    																			<span id="377j5v51b"    class="Articlelist_txts_infoss ">html5</span>
    																			<span id="377j5v51b"    class="Articlelist_txts_infoss ">HTML Tutorial</span>
    																			<span id="377j5v51b"    class="Articlelist_txts_infoss ">HTML Properties</span>
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    					<p>Web 瀏覽器會忽略空格、換行符和其他文本格式字符。如果您想要某種格式,那么每次都必須使用標(biāo)簽或?qū)傩浴K褪怯脕硐@個缺點(diǎn)的。 Pre 標(biāo)簽用于保持文本格式不變。當(dāng)應(yīng)用 CSS 標(biāo)簽時它會發(fā)生變化。它顯示內(nèi)容的預(yù)格式化文本。</p>
    
    
    
    
    
    
    
    
    
    
    
    
    
    <p><strong>語法:</strong></p>
    
    
    <p>HTML 有許多用于不同目的的標(biāo)簽。</p>
    <p><strong>示例:</strong></p>
    <ul>
    <li><br></li>
    <li><p></li>
    <li><pre class="brush:php;toolbar:false">等</pre></li>
    </ul>
    <p>前置標(biāo)簽與其他 HTML 標(biāo)簽一樣有一個開始標(biāo)簽和一個結(jié)束標(biāo)簽。</p>
    <pre class="brush:php;toolbar:false"><pre class="brush:php;toolbar:false"> content of web </pre></pre>
    <p>上面的語法用于我們需要內(nèi)容的預(yù)格式化文本的地方。</p>
    <h3 id="預(yù)標(biāo)記在-HTML-中如何工作">預(yù)標(biāo)記在 HTML 中如何工作?</h3>
    <p>以下是 Pre 標(biāo)簽如何工作的說明:</p>
    <h4 id="在-Html-中使用-Pre-標(biāo)簽">1.在 Html 中使用 Pre 標(biāo)簽</h4>
    <p><b>代碼:</b></p>
    <pre class="brush:php;toolbar:false"><!DOCTYPE>
    <html>
    <head>
    <title> using pre tag in html </title>
    </head>
    <body>
    <pre class="brush:php;toolbar:false">
    The Web browser is ignored space,?? line breaks, and other formatting characters of text.
    If you wanted some?? format then tag or attribute must have used every time.
    Pre tag in HTML used to remove this drawback. Pre tag used to keep text format as it is.
    It is?? changed when CSS tags are applied.
    Pre tag in HTML shows the? preformatted text of the content.
    </pre>
    
    </body>
    </html></pre>
    <p><strong>輸出:</strong></p>
    <p><img  src="/static/imghw/default1.png" data-src="https://img.php.cn/upload/article/000/000/000/172543832336092.jpg" class="lazy" alt="HTML 中的預(yù)標(biāo)記" ></p>
    <p><strong>上面代碼的解釋:</strong>展示上面的例子。當(dāng)預(yù)標(biāo)記應(yīng)用于內(nèi)容的所需部分時,內(nèi)容看起來按原樣格式化。當(dāng)前置標(biāo)簽應(yīng)用于文本時,空格和下一行不會被忽略。</p>
    <h4 id="在-Html-中不使用-Pre-標(biāo)記">2.在 Html 中不使用 Pre 標(biāo)記</h4>
    <p><b>代碼:</b></p>
    <pre class="brush:php;toolbar:false"><!DOCTYPE>
    <html>
    <head>
    <title> using pre tag in html </title>
    </head>
    <body>
    The Web browser is ignored space, line breaks, and other
    formatting characters of text.
    If you wanted some format then tag or attribute must have
    used every time.
    This tag is used to remove this drawback. Pre tag used to
    keep text format as it is. It is changed when CSS tags are applied.
    This pre tag shows the preformatted text of the content.
    </body>
    </html></pre>
    <p><strong>輸出:</strong></p>
    <p><img  src="/static/imghw/default1.png" data-src="https://img.php.cn/upload/article/000/000/000/172543832530930.jpg" class="lazy" alt="HTML 中的預(yù)標(biāo)記" ></p>
    <p><strong>上面代碼的解釋:</strong>展示上面的例子,這是沒有使用它的。自動忽略空格、換行符和換行符。網(wǎng)頁根據(jù)他們的要求顯示內(nèi)容。為了留出空間并打破界限,我們必須使用 HTML 標(biāo)簽。</p>
    
    
    <h4 id="使用-HTML-其他標(biāo)簽">3.使用 HTML 其他標(biāo)簽</h4>
    <p><b>代碼:</b></p>
    <pre class="brush:php;toolbar:false"><!DOCTYPE>
    <html>
    <head>
    <title> using pre tag in html </title>
    </head>
    <body>
    The Web browser is ignored space,         line breaks, and other formatting characters of text.<br>
    If you wanted some    ? format then tag or attribute must have used every time.<br>
    This is used to remove its drawback. Pre tag used to keep text format as it is.<br> It is changed when CSS tags are applied. <br>
    It shows preformatted text of the content.<br>
    </body>
    </html></pre>
    <p><strong>輸出:</strong></p>
    <p><img  src="/static/imghw/default1.png" data-src="https://img.php.cn/upload/article/000/000/000/172543832754208.jpg" class="lazy" alt="HTML 中的預(yù)標(biāo)記" ></p>
    <p><strong>上述代碼說明:</strong>顯示上面的示例,該示例沒有使用 pre 標(biāo)簽。但我們沒有使用 pre 標(biāo)簽,而是使用其他 HTML 標(biāo)簽。 <br>標(biāo)簽用于換行, ?用于空格的字符。</p>
    <h3 id="預(yù)標(biāo)簽的使用">預(yù)標(biāo)簽的使用</h3>
    <ul>
    <li>如果我們不使用標(biāo)簽和屬性,網(wǎng)頁會忽略空格和換行符。但每一行,我們都必須使用這些屬性。</li>
    <li>Pre 標(biāo)簽保留原始內(nèi)容格式。</li>
    <li>開發(fā)者可以為該塊使用一個標(biāo)簽,而不是使用多個標(biāo)簽。減少編碼,易于理解。</li>
    </ul>
    <p>Pre Tag 支持以下網(wǎng)絡(luò)瀏覽器:</p>
    <ul>
    <li>谷歌瀏覽器</li>
    <li>Internet Explorer</li>
    <li>火狐</li>
    <li>歌劇</li>
    <li>野生動物園</li>
    </ul>
    <h3 id="實(shí)施示例">實(shí)施示例</h3>
    <p>下面是其中的實(shí)現(xiàn)示例:</p>
    <h4 id="示例">示例#1</h4>
    <p>將 Pre Tag 與 CSS 標(biāo)簽一起使用。</p>
    <p><strong>代碼:</strong></p>
    
    
    <pre class="brush:php;toolbar:false"><!DOCTYPE>
    <html>
    <head>
    <title> using pre tag with CSS </title>
    <style>
    pre {
    font-family: Arial;
    color: yellow;
    border: solid black;
    background-color: black;
    }
    </style>
    </head>
    <body>
    <pre class="brush:php;toolbar:false">
    The Web browser is ignored space, line breaks, and other formatting characters of text.
    If you wanted some format then tag or attribute must have used every time.
    This tag in HTML used to remove this drawback. Pre tag used to keep text format as it is.
    It is changed when CSS tags are applied.
    This tag in HTML shows the preformatted text of the content.
    </pre>
    </body>
    </html></pre>
    <p><strong>輸出:</strong></p>
    <p><img  src="/static/imghw/default1.png" data-src="https://img.php.cn/upload/article/000/000/000/172543832995577.jpg" class="lazy" alt="HTML 中的預(yù)標(biāo)記" ></p>
    <p><strong>上面代碼的解釋:</strong>顯示上面的例子是與CSS樣式標(biāo)簽一起使用的。如果您使用 pre 標(biāo)簽,那么 CSS 樣式標(biāo)簽也可以更改內(nèi)容的格式。樣式標(biāo)簽使用CSS中的字體樣式、邊框和文本顏色。</p>
    <h4 id="示例">示例#2</h4>
    <p>下面的例子。這是其他 HTML 標(biāo)簽和 pre 標(biāo)簽與 CSS 的組合。</p>
    <p><strong>?代碼:</strong></p>
    <pre class="brush:php;toolbar:false"><!DOCTYPE>
    <html>
    <head>
    <title> using pre tag in html? with CSS </title>
    <style>
    pre {
    font-family: Arial;
    color: yellow;
    border: solid black;
    background-color:black;
    }
    </style>
    </head>
    <body>
    <p>
    The Web browser is ignored space, line breaks, and other formatting characters of text.
    If you wanted some format then tag or attribute must have used every time.
    This tag used to remove this drawback. Pre tag used to keep text format as it is.
    It is changed when CSS tags are applied.
    It shows the preformatted text of the content.
    </p>
    <pre class="brush:php;toolbar:false">
    The Web browser is ignored space, line breaks, and other formatting characters of text.
    If you wanted some format then tag or attribute must have used every time.
    This tag in HTML used to remove this drawback. Pre tag used to keep text format as it is.
    It is changed when CSS tags are applied.
    This tag in HTML shows the preformatted text of the content.
    </pre>
    </body>
    </html></pre>
    <p><strong>輸出:</strong></p>
    <p><img  src="/static/imghw/default1.png" data-src="https://img.php.cn/upload/article/000/000/000/172543833296074.jpg" class="lazy" alt="HTML 中的預(yù)標(biāo)記" ></p>
    <h3 id="結(jié)論">結(jié)論</h3>
    <p>開發(fā)者使用此標(biāo)簽來減少編碼并獲取格式化內(nèi)容。網(wǎng)絡(luò)不能忽略 pre 標(biāo)簽內(nèi)內(nèi)容的格式。</p><p>以上是HTML 中的預(yù)標(biāo)記的詳細(xì)內(nèi)容。更多信息請關(guān)注PHP中文網(wǎng)其他相關(guān)文章!</p>
    
    
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    											<span>8639</span>
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    											<span>17</span>
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    											<span>1786</span>
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    											<span>16</span>
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    											<span>1729</span>
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    											<span>56</span>
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    											<img src="/static/imghw/eyess.png" alt="" />
    											<span>1581</span>
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    											<span>29</span>
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    											<span>1448</span>
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    											<span>31</span>
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    								<span id="377j5v51b"    class="Articlelist_txts_time">Jul 04, 2025 am	 03:16 AM</span>
    								<p class="Articlelist_txts_p">在HTML中使用標(biāo)簽可以對下拉菜單中的選項(xiàng)進(jìn)行分組。具體方法是用包裹一組元素,并通過label屬性定義組名,如:1.包含蘋果、香蕉、橙子等選項(xiàng);2.包含胡蘿卜、西蘭花等選項(xiàng);3.每個為一個獨(dú)立分組,組內(nèi)選項(xiàng)自動縮進(jìn)。注意事項(xiàng)包括:①不支持嵌套;②可通過disabled屬性禁用整個組;③樣式受限需結(jié)合CSS或第三方庫美化;可使用Select2等插件增強(qiáng)功能。</p>
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    								<a href="http://m.miracleart.cn/zh/faq/1796835653.html" title="將CSS和JavaScript與HTML5結(jié)構(gòu)有效整合。" class="phphistorical_Version2_mids_title">將CSS和JavaScript與HTML5結(jié)構(gòu)有效整合。</a>
    								<span id="377j5v51b"    class="Articlelist_txts_time">Jul 12, 2025 am	 03:01 AM</span>
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