HTML <canvas> height 属性

Kurasa ya mada

Kitabu cha Mbinu

HTML Taarifu

</a></li> <li><a href="/sw/tags/tag_img.html" title="Tebili cha HTML <img>"><img></a></li> <li><a href="/sw/tags/tag_input.html" title="Tebili cha HTML <input>"><input></a></li> <li><a href="/sw/tags/tag_ins.html" title="Tebili cha HTML <ins>"><ins></a></li> <li><a href="/sw/tags/tag_kbd.html" title="Tebili cha HTML <kbd>"><kbd></a></li> <li><a href="/sw/tags/tag_label.html" title="Tebili cha HTML <label>"><label></a></li> <li><a href="/sw/tags/tag_legend.html" title="Tebili cha HTML <legend>"><legend></a></li> <li><a href="/sw/tags/tag_li.html" title="Tebili cha HTML <li>"><li></a></li> <li><a href="/sw/tags/tag_link.html" title="Tebili cha HTML <link>"><link></a></li> <li><a href="/sw/tags/tag_main.html" title="Tebili cha HTML <main>"><main></a></li> <li><a href="/sw/tags/tag_map.html" title="Tebili cha HTML <map>"><map></a></li> <li><a href="/sw/tags/tag_mark.html" title="Tebili cha HTML <mark>"><mark></a></li> <li><a href="/sw/tags/tag_menu.html" title="Tebili cha HTML <menu>"><menu></a></li> <li><a href="/sw/tags/tag_meta.html" title="Tebili cha HTML <meta>"><meta></a></li> <li><a href="/sw/tags/tag_meter.html" title="Tebili cha HTML <meter>"><meter></a></li> <li><a href="/sw/tags/tag_nav.html" title="Tebili cha HTML <nav>"><nav></a></li> <li><a href="/sw/tags/tag_noframes.html" title="Tebili cha HTML <noframes>"><noframes></a></li> <li><a href="/sw/tags/tag_noscript.html" title="Tebili cha HTML <noscript>"><noscript></a></li> <li><a href="/sw/tags/tag_object.html" title="Tebili cha HTML <object>"><object></a></li> <li><a href="/sw/tags/tag_ol.html" title="Tebili cha HTML <ol>"><ol></a></li> <li><a href="/sw/tags/tag_optgroup.html" title="Tebili cha HTML <optgroup>"><optgroup></a></li> <li><a href="/sw/tags/tag_option.html" title="Tebili cha HTML <option>"><option></a></li> <li><a href="/sw/tags/tag_output.html" title="Tebili cha HTML <output>"><output></a></li> <li><a href="/sw/tags/tag_p.html" title="Tebili cha HTML <p>"><p></a></li> <li><a href="/sw/tags/tag_param.html" title="Tebili cha HTML <param>"><param></a></li> <li><a href="/sw/tags/tag_picture.html" title="Tebili cha HTML <picture>"><picture></a></li> <li><a href="/sw/tags/tag_pre.html" title="Tebili cha HTML <pre>"><pre></a></li> <li><a href="/sw/tags/tag_progress.html" title="Tebili cha HTML <progress>"><progress></a></li> <li><a href="/sw/tags/tag_q.html" title="Tebili cha HTML <q>"><q></a></li> <li><a href="/sw/tags/tag_rp.html" title="Tebili cha HTML <rp>"><rp></a></li> <li><a href="/sw/tags/tag_rt.html" title="Tebili cha HTML <rt>"><rt></a></li> <li><a href="/sw/tags/tag_ruby.html" title="Tebili cha HTML <ruby>"><ruby></a></li> <li><a href="/sw/tags/tag_s.html" title="Tebili cha HTML <s>"><s></a></li> <li><a href="/sw/tags/tag_samp.html" title="Tebili cha HTML <samp>"><samp></a></li> <li><a href="/sw/tags/tag_script.html" title="Tebili cha HTML <script>"><script></a></li> <li><a href="/sw/tags/tag_search.html" title="Tebili cha HTML <search>"><search></a></li> <li><a href="/sw/tags/tag_section.html" title="Tebili cha HTML <section>"><section></a></li> <li><a href="/sw/tags/tag_select.html" title="Tebili cha HTML <select>"><select></a></li> <li><a href="/sw/tags/tag_small.html" title="Tebili cha HTML <small>"><small></a></li> <li><a href="/sw/tags/tag_source.html" title="Tebili cha HTML <source>"><source></a></li> <li><a href="/sw/tags/tag_span.html" title="Tebili cha HTML <span>"><span></a></li> <li><a href="/sw/tags/tag_strike.html" title="Tebili cha HTML <strike>"><strike></a></li> <li><a href="/sw/tags/tag_strong.html" title="Tebili cha HTML <strong>"><strong></a></li> <li><a href="/sw/tags/tag_style.html" title="Tebili cha HTML <style>"><style></a></li> <li><a href="/sw/tags/tag_sub.html" title="HTML <sub> ˈtɛgī"><sub></a></li> <li><a href="/sw/tags/tag_summary.html" title="HTML <summary> ˈtɛgī"><summary></a></li> <li><a href="/sw/tags/tag_sup.html" title="HTML <sup> ˈtɛgī"><sup></a></li> <li><a href="/sw/tags/tag_svg.html" title="HTML <svg> ˈtɛgī"><svg></a></li> <li><a href="/sw/tags/tag_table.html" title="HTML <table> ˈtɛgī"><table></a></li> <li><a href="/sw/tags/tag_tbody.html" title="HTML <tbody> ˈtɛgī"><tbody></a></li> <li><a href="/sw/tags/tag_td.html" title="HTML <td> ˈtɛgī"><td></a></li> <li><a href="/sw/tags/tag_template.html" title="HTML <template> ˈtɛgī"><template></a></li> <li><a href="/sw/tags/tag_textarea.html" title="HTML <textarea> ˈtɛgī"><textarea></a></li> <li><a href="/sw/tags/tag_tfoot.html" title="HTML <tfoot> ˈtɛgī"><tfoot></a></li> <li><a href="/sw/tags/tag_th.html" title="HTML <th> ˈtɛgī"><th></a></li> <li><a href="/sw/tags/tag_thead.html" title="HTML <thead> ˈtɛgī"><thead></a></li> <li><a href="/sw/tags/tag_time.html" title="HTML <time> ˈtɛgī"><time></a></li> <li><a href="/sw/tags/tag_title.html" title="HTML <title> ˈtɛgī"><title></a></li> <li><a href="/sw/tags/tag_tr.html" title="HTML <tr> ˈtɛgī"><tr></a></li> <li><a href="/sw/tags/tag_track.html" title="HTML <track> ˈtɛgī"><track></a></li> <li><a href="/sw/tags/tag_tt.html" title="HTML <tt> ˈtɛgī"><tt></a></li> <li><a href="/sw/tags/tag_u.html" title="HTML <u> ˈtɛgī"><u></a></li> <li><a href="/sw/tags/tag_ul.html" title="HTML <ul> ˈtɛgī"><ul></a></li> <li><a href="/sw/tags/tag_var.html" title="HTML <var> ˈtɛgī"><var></a></li> <li><a href="/sw/tags/tag_video.html" title="HTML <video> ˈtɛgī"><video></a></li> <li><a href="/sw/tags/tag_wbr.html" title="HTML <wbr> ˈtɛgī"><wbr></a></li> </ul> </div> <div><h3><center> 选修课 </center><h3> <h2>课程推荐：</h2> <ul> <li><a href="/sw/howto/index.html" title="CodeW3C.com ˈbɛbɔːks">CodeW3C.com ˈbɛbɔːks</a></li> </ul> </div> </div> <div id="maincontent"> <div class="idea"> <a href="/"><button>English</button></a> <a href="/zh/"><button>中文</button></a> <a href="/oldzh/"><button>繁體中文</button></a> <a href="/ru/"><button>Русский</button></a> <a href="/fr/"><button>Français</button></a> <a href="/de/"><button>Deutsch</button></a> <a href="/es/"><button>Español</button></a> <a href="/pt/"><button>Português</button></a> <a href="/ja/"><button>日本語</button></a> <a href="/ko/"><button>한국어</button></a> <a href="/it/"><button>Italiano</button></a> <a href="/ar/"><button>عربي</button></a> <a href="/hi/"><button>हिंदी</button></a> <a href="/bn/"><button>বাংলা</button></a> <a href="/ms/"><button>Bahasa Malaysia</button></a> <a href="/my/"><button>မြန်မာ</button></a> <a href="/vi/"><button>Tiếng Việt</button></a> <a href="/th/"><button>ภาษาไทย</button></a> <a href="/lo/"><button>ລາວ</button></a> <a href="/id/"><button>Bahasa Indonesia</button></a> <a href="/ur/"><button>اردو</button></a> <a href="/ha/"><button>Hausa</button></a> <a href="/pl/"><button>Język polski</button></a> <a href="/pa/"><button>ਪੰਜਾਬੀ</button></a> <a href="/sv/"><button>Svenska</button></a> <a href="/da/"><button>Dansk</button></a> <a href="/nl/"><button>Nederlands</button></a> <a href="/tr/"><button>Türkçe</button></a> <a href="/fi/"><button>suom.</button></a> <a href="/el/"><button>Ελληνικά</button></a> <a href="/fa/"><button>فارسی</button></a> <a href="/sw/"><button>Kiswahili</button></a> <a href="/te/"><button>తెలుగు</button></a> <a href="/tl/"><button>wikang Galu</button></a> </div> <h1>HTML <canvas> height 属性</h1> <div class="backtoreference"> <p><a href="/sw/tags/tag_canvas.html">Tebilyo la HTML <canvas></a></p> </div> <div> <h2>定义和用法</h2> <p><code>height</code> 属性规定 <canvas> 元素的高度，以像素为单位。</p> <h3>提示</h3> <p>请使用 <a href="/sw/tags/att_canvas_width.html" title="HTML <canvas> width ˈɛkɪpiti">width 属性</a> 指定 <canvas> 元素的宽度，以像素为单位。</p> <p>每次重设画布的高度或宽度时，画布内容将被清除（请参见页面底部的例子）。</p> <p>请在我们的 <a href="/sw/graphics/canvas_intro.html" title="HTML Canvas ˈtũːtũː">HTML Canvas ˈtũːtũː</a> 中学习有关 <canvas> 元素的更多知识。</p> </div> <div> <h2>实例</h2> <h3>例子 1</h3> <p>高度和宽度均为 200 像素的 <canvas> 元素：</p> <pre class="language-html"> <canvas id="myCanvas" width="400" height="400" style="border:1px solid"> </pre> <p class="tiy"><a target="_blank" href="/sw/tiy/t.html?f=tag_canvas_height_width">亲自试一试</a></p> <h3>例子 2</h3> <p>通过将高度属性设置为 300px 来清除画布（使用 JavaScript）：</p> <pre class="language-html"> <canvas id="myCanvas" width="400" height="400" style="border:1px solid"></canvas> <script> var c = document.getElementById("myCanvas"); var ctx = c.getContext("2d"); ctx.fillStyle = "#0192B9"; ctx.fillRect(50, 50, 300, 300); function clearCanvas() { c.height = 400; } </script> </pre> <p class="tiy"><a target="_blank" href="/sw/tiy/t.html?f=tag_canvas_height_width_clear">亲自试一试</a></p> </div> <div> <h2>语法</h2> <pre class="language-html"> <canvas height="<i>pixels</i>"> </pre> <h3>属性值</h3> <table class="dataintable"> <tr> <th style="width: 20%;">值</th> <th>描述</th> </tr> <tr> <td><i>pixels</i></td> <td>规定画布的高度，以像素计（例如“100”）。默认值为 150。</td> </tr> </table> </div> <div> <h2>Matumizi ya kifungu</h2> <p>Mimeno ya tabia kwenye tabia inaeleza na kufikia na kitabu cha kwanza cha kufikia hiyo.</p> <table class="browser-support"> <tr> <th class="bsChrome">Chrome</th> <th class="bsEdge">Edge</th> <th class="bsFirefox">Firefox</th> <th class="bsSafari">Safari</th> <th class="bsOpera">Opera</th> </tr> <tr> <td>Chrome</td> <td>Edge</td> <td>Firefox</td> <td>Safari</td> <td>Opera</td> </tr> <tr> <td>4.0</td> <td>9.0</td> <td>2.0</td> <td>3.1</td> <td>9.0</td> </tr> </table> </div> <div class="backtoreference"> <p><a href="/sw/tags/tag_canvas.html">Tebilyo la HTML <canvas></a></p> </div><div style="background-color:#fcfdf8; padding:0;"> </div> </div>  <div id="sidebar"> <div><h3><center> Kifaa cha kuu </center><h3> <h5 id="tools_reference"><a href="/sw/tags/index.html">Kitabu cha mifano cha HTML</a></h5> <h5 id="tools_example"><a href="/sw/html/html_examples.html">Mifano ya HTML</a></h5> <h5 id="tools_quiz"><a href="/sw/html/html_quiz.html">Imitaa ya HTML</a></h5> <h5 id="tools_tutorial"><a href="/sw/html/index.html">Mafunzo ya HTML</a></h5> </div> <div><h3><center> Vifaa vya msaada </center><h3> <div id="sbtg"> <script 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