我想在 HTML/JS 中创建自己的 RichText 编辑器,如下所示:
https://www.youtube.com/watch?v=cOeTHVlFDYs https://www.youtube.com/watch?v=cOeTHVlFDYs
但根据 MDN 的说法,文档.exec命令现已弃用(https://developer.mozilla.org/en-US/docs/Web/API/Document/execCommand https://developer.mozilla.org/en-US/docs/Web/API/Document/execCommand),那么如何进行呢?
预先感谢您的回答
经过实验后,我找到了一种继续使用普通 HTML/CSS/JS 的方法,这是我的 JSFiddle :
https://jsfiddle.net/y9qzejmf/1/ https://jsfiddle.net/y9qzejmf/1/
function insertTag(tag_name) {
let editor_textarea = document.getElementById("editor_textarea");
let selection = null;
if (editor_textarea.selectionStart == editor_textarea.selectionEnd)
selection = editor_textarea.selectionStart;
else
selection = editor_textarea.value.slice(editor_textarea.selectionStart, editor_textarea.selectionEnd);
switch (tag_name) {
case "strong":
tag_name = "strong";
break;
case "italic":
tag_name = "i";
break;
case "underline":
tag_name = "u";
break;
case "code":
tag_name = "code-tag";
break;
default:
tag_name = null;
break;
}
if (tag_name != null)
editor_textarea.setRangeText(`<${tag_name}>${selection}</${tag_name}>`);
}
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