CodePen Embed - EditorJS Example

  <div class="ce-example">
    <div class="ce-example__header">
      <a class="ce-example__header-logo" href="https://codex.so/editor">Editor.js 🤩🧦🤨</a>
    </div>
    <div class="ce-example__content _ce-example__content--small">
      <div id="editorjs"></div>
      <div class="ce-example__button" id="save"> editor.save() </div>
    </div>
    <div class="ce-example__output">
      <pre class="ce-example__output-content" id="output"></pre>
      <div class="ce-example__output-footer">
        <a href="https://codex.so" style="font-weight: bold;">Made by CodeX</a>
      </div>
    </div>
  </div>

/**
 * Styles for the example page
 */

:root {
  --color-bg-main: #fff;
  --color-border-light: #E8E8EB;
  --color-text-main: #000;
}

.dark-mode {
  --color-border-light: rgba(255, 255, 255,.08);
  --color-bg-main: #1c1e24;
  --color-text-main: #737886;
}


body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
  font-size: 14px;
  line-height: 1.5em;
  margin: 0;
  background: var(--color-bg-main);
  color: var(--color-text-main);
}

.ce-example {
  font-size: 16.2px;
}

.ce-example__header {
  border-bottom: 1px solid var(--color-border-light);
  height: 50px;
  line-height: 50px;
  display: flex;
  padding: 0 30px;
  margin-bottom: 30px;
  flex-wrap: wrap;
}

.ce-example__header a {
  color: inherit;
  text-decoration: none;
}

.ce-example__header-logo {
  font-weight: bold;
}

.ce-example__header-menu {
  margin-left: auto;
}

@media all and (max-width: 730px){
  .ce-example__header-menu {
    margin-left: 0;
    margin-top: 10px;
    flex-basis: 100%;
    font-size: 14px;
  }
}

.ce-example__header-menu a {
  margin-left: 20px;
}

@media all and (max-width: 730px){
  .ce-example__header-menu a {
    margin-left: 0;
    margin-right: 15px;
  }
}

.ce-example__content {
  max-width: 1100px;
  margin: 0 auto;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.thin-mode .ce-example__content {
  max-width: 500px;
  border-left: 1px solid #eee;
  border-right: 1px solid #eee;
  padding: 0 15px;
}

.ce-example__output {
  background: #1B202B;
  overflow-x: auto;
  padding: 0 30px 80px;
}

.ce-example__output-content {
  max-width: 650px;
  margin: 30px auto;
  color: #ABADC3;
  font-family: 'PT Mono', Menlo, Monaco, Consolas, Courier New, monospace;
  font-size: 13.3px;
}

.ce-example__output-content:empty {
  display: none;
}

.ce-example__button {
  display: block;
  margin: 50px auto;
  max-width: 180px;
  background: #4A9DF8;
  padding: 17px 30px;
  box-shadow: 0 22px 18px -4px rgba(137, 207, 255, 0.77);
  transition: all 150ms ease;
  cursor: pointer;
  border-radius: 31px;
  color: #fff;
  font-family: 'PT Mono', Menlo, Monaco, Consolas, Courier New, monospace;
  text-align: center;
}

.ce-example__button:hover {
  background: #3D8DE5;
  transform: translateY(2px);
  box-shadow: 0 20px 15px -4px rgba(137, 207, 255, 0.77);
}

.ce-example__output-footer {
  padding: 30px 0;
  font-size: 14.2px;
  letter-spacing: 0.3px;
  text-align: center;
}

.ce-example__output-footer a {
  color: #fff;
  text-decoration: none;
}

.ce-example__statusbar {
  display: flex;
  align-items: center;
  position: fixed;
  bottom: 0;
  right: 0;
  left: 0;
  background: var(--color-bg-main);
  border-radius: 8px 8px 0 0;
  border-top: 1px solid var(--color-border-light);
  box-shadow: 0 2px 6px var(--color-border-light);
  font-size: 13px;
  padding: 8px 15px;
  z-index: 1;
  user-select: none;
}

@media (max-width: 768px) {
  .ce-example__statusbar {
    display: none;
  }
}

.ce-example__statusbar-item:not(:last-of-type)::after {
  content: '|';
  color: #ddd;
  margin: 0 15px 0 12px;
}

.ce-example__statusbar-item--right {
  margin-left: auto;
}

.ce-example__statusbar-button {
  display: inline-block;
  padding: 3px 12px;
  transition: all 150ms ease;
  cursor: pointer;
  border-radius: 31px;
  background: #eff1f4;
  text-align: center;
  user-select: none;
}

.ce-example__statusbar-button:hover {
  background: #e0e4eb;
}

.ce-example__statusbar-button-primary {
  background: #4A9DF8;
  color: #fff;
  box-shadow: 0 7px 8px -4px rgba(137, 207, 255, 0.77);
  font-family: 'PT Mono', Menlo, Monaco, Consolas, Courier New, monospace;
}

.ce-example__statusbar {
  --toggler-size: 20px;
}

.ce-example__statusbar-toggler {
  position: relative;
  background: #7b8799;
  border-radius: 20px;
  padding: 2px;
  width: calc(var(--toggler-size) * 2.2);
  cursor: pointer;
  user-select: none;
}

.ce-example__statusbar-toggler::before {
  display: block;
  content: '';
  width: var(--toggler-size);
  height: var(--toggler-size);
  background: #fff;
  border-radius: 50%;
  transition: transform 100ms ease-in;
}

.ce-example__statusbar-toggler::after {
  --moon-size: calc(var(--toggler-size) * 0.5);
  content: '';
  position: absolute;
  top: 5px;
  right: 5px;
  height: var(--moon-size);
  width: var(--moon-size);
  box-shadow: calc(var(--moon-size) * 0.25 * -1) calc(var(--moon-size) * 0.18) 0 calc(var(--moon-size) * 0.05) white;
  border-radius: 50%;
}

@media all and (max-width: 730px){
  .ce-example__header,
  .ce-example__content{
    padding: 0 20px;
  }
}

/**
 * JSON highlighter
 */
.sc_attr {
  color: rgb(148, 162, 192);
}
.sc_key {
  color: rgb(190, 213, 255);
}
.sc_toolname {
  color: rgb(15, 205, 251);
}
.sc_tag {
  color: rgb(4, 131, 216);
}
.sc_bool {
  color: rgb(247, 60, 173);
}

.ce-example .ce-block:first-of-type h1.ce-header{
  font-size: 50px;
}

.ce-example-multiple {
  display: grid;
  grid-template-columns: calc(50% - 15px) calc(50% - 15px);
  gap: 30px;
  padding: 30px;
}

.ce-example-multiple > div {
  background: #fff;
  border-radius: 7px;
  padding: 30px;
}

.show-block-boundaries .ce-block {
  box-shadow: inset 0 0 0 1px #eff2f5;
}

.show-block-boundaries .ce-block__content {
  box-shadow: 0 0 0 1px rgba(224, 231, 241, 0.61) inset;
}
.show-block-boundaries #showBlocksBoundariesButton span,
.thin-mode #enableThinModeButton span {
  font-size: 0;
  vertical-align: bottom;
}

.show-block-boundaries #showBlocksBoundariesButton span::before,
.thin-mode #enableThinModeButton span::before {
  content: attr(data-toggled-text);
  display: inline;
  font-size: 13px;
}



/**
 * Dark theme overrides
 */
.dark-mode img {
  opacity: 0.5;
}

.dark-mode .cdx-simple-image__picture--with-border,
.dark-mode .cdx-input {
  border-color: var(--color-border-light);
}

.dark-mode .ce-example__button {
  box-shadow: 0 24px 18px -14px rgba(4, 154, 255, 0.24);
}

.dark-mode .ce-example__output {
  background-color: #17191f;
}

.dark-mode .inline-code {
  background-color: rgba(53, 56, 68, 0.62);
  color: #727683;
}

.dark-mode a {
  color: #959ba8;
}

.dark-mode .ce-example__statusbar-toggler,
.dark-mode .ce-example__statusbar-button {
  background-color: #343842;
}

.dark-mode .ce-example__statusbar-toggler::before {
  transform: translateX(calc(var(--toggler-size) * 2.2 - var(--toggler-size)));
}

.dark-mode .ce-example__statusbar-toggler::after {
  content: '*';
  right: auto;
  left: 6px;
  top: 7px;
  color: #fff;
  box-shadow: none;
  font-size: 32px;
}

.dark-mode.show-block-boundaries .ce-block,
.dark-mode.show-block-boundaries .ce-block__content {
  box-shadow: 0 0 0 1px rgba(128, 144, 159, 0.09) inset;
}

.dark-mode.thin-mode .ce-example__content{
  border-color: var(--color-border-light);
}

.dark-mode .ce-example__statusbar-item:not(:last-of-type)::after {
  color: var(--color-border-light);
}

.dark-mode .ce-block--selected .ce-block__content,
.dark-mode ::selection{
  background-color: rgba(57, 68, 84, 0.57);
}

.dark-mode .ce-toolbox__button,
.dark-mode .ce-toolbar__settings-btn,
.dark-mode .ce-toolbar__plus {
  color: inherit;
}

.dark-mode .ce-stub {
  opacity: 0.3;
}

/**
 * Module to compose output JSON preview
 */
const cPreview = (function (module) {
  /**
   * Shows JSON in pretty preview
   * @param {object} output - what to show
   * @param {Element} holder - where to show
   */
  module.show = function(output, holder) {
    /** Make JSON pretty */
    output = JSON.stringify( output, null, 4 );
    /** Encode HTML entities */
    output = encodeHTMLEntities( output );
    /** Stylize! */
    output = stylize( output );
    holder.innerHTML = output;
  };

  /**
   * Converts '>', '<', '&' symbols to entities
   */
  function encodeHTMLEntities(string) {
    return string.replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;');
  }

  /**
   * Some styling magic
   */
  function stylize(string) {
    /** Stylize JSON keys */
    string = string.replace( /"(\w+)"\s?:/g, '"<span class=sc_key>$1</span>" :');
    /** Stylize tool names */
    string = string.replace( /"(paragraph|quote|list|header|link|code|image|delimiter|raw|checklist|table|embed|warning)"/g, '"<span class=sc_toolname>$1</span>"');
    /** Stylize HTML tags */
    string = string.replace( /(&lt;[\/a-z]+(&gt;)?)/gi, '<span class=sc_tag>$1</span>' );
    /** Stylize strings */
    string = string.replace( /"([^"]+)"/gi, '"<span class=sc_attr>$1</span>"' );
    /** Boolean/Null */
    string = string.replace( /\b(true|false|null)\b/gi, '<span class=sc_bool>$1</span>' );
    return string;
  }

  return module;
})({});

    var editor = new EditorJS({
      holder: 'editorjs',                     // 指定 element
      tools: {                                // 工具
        // 標題字
        header: {
          class: Header,
          inlineToolbar: ['marker', 'link'],
          config: {
            placeholder: '標題文字'
          },
          shortcut: 'CMD+SHIFT+H'
        },
        // 圖片
        image: SimpleImage,
        // 列
        list: {
          class: List,
          inlineToolbar: true,
        },
        // 段落分行
        delimiter: Delimiter,
        // 外部莰入
        embed: {
          class: Embed,
          config: {
            placeholder: '標題文字',
            services: {
              youtube: true,
              coub: true
            }
          }
        },
        // 表格
        table: {
          class: Table,
        },
      },
      defaultBlock: 'paragraph', // 預設使用
      i18n: {
        messages: {
          "ui": {
            "blockTunes": {
              "toggler": {
                "Click to tune": "調整",
              },
            },
            "inlineToolbar": {
              "converter": {
                "Convert to": "轉換"
              }
            },
            "toolbar": {
              "toolbox": {
                "Add": "添加"
              }
            }
          },
          "blockTunes": {
            "delete": {
              "Delete": "刪除"
            },
            "moveUp": {
              "Move up": "上移"
            },
            "moveDown": {
              "Move down": "下移"
            }
          },
          "toolNames": {
            "Text": "文字",
            "Heading": "標題",
            "List": "列表",
            "Table": "表格",
            "Bold": "粗體字",
            "Italic": "斜體字",
            "Link": "超連結",
            "Delimiter": "段落分行",
            "Image": "圖片"
          }
        }
      }
    });

    /* 儲存範例 */
    const save = document.querySelector('#save');
    save.onclick = function () {
      editor.save()
        .then((savedData) => {
          cPreview.show(savedData, document.getElementById("output"));
        })
        .catch(err => console.error('Saving error', error));
    }

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