html复制代码<script>// 将逻辑都放在DOMContentLoaded事件下,防止操作DOM出现错误document.addEventListener('DOMContentLoaded',()=>{consttextarea=document.querySelector('.textarea');constnumbers=document.querySelector('.numbers');functioninitLineNumbers(){// 把内容按换行符划分行数constlines=textarea.val...
Show 1 more comment 4 Line Numbers Code: const textarea = document.querySelector("textarea"); const numbers = document.querySelector(".numbers"); textarea.addEventListener("keyup", (e) => { const num = e.target.value.split("\n").length; numbers.innerHTML = Array(num).fill("<s...
textarea标签自动显示行号(Textarea tags automatically displays line Numbers) - NightCatSama/textarea-line-number
第一种方法: 去掉textarea所有父级元素的overflow属性。 第二种方法: 页面写一个div用来与textarea交替显示,点击div元素的时候显示textarea,并自动聚焦,失去焦点隐藏textarea,显示div。注意要用v-show显示、隐藏元素。... 微信小程序---授权弹窗 微信小
The following example show a very simple textarea, with a set numbers of rows and columns and some default content. <textarea name="textarea" rows="10" cols="50">Write something here</textarea> 最小和最大长度 This example has a minimum and maximum number of characters — of 10 and ...
Textarea with line numbers A tiny Vue component to show line numbers for textarea.Live demo 介绍 For source code, see ONLYsrc/LinedTextarea.vue. The rest are justwebpack vue template. Runnpm installandnpm run buildto test. For example usage, checkoutsrc/App.vue. ...
font-size: We need to know the font-size to choose a proper line-height and to compute the height of theTextArea, if we wish to show all the allowed lines without a scrollbar (overflow:auto). line-height: We have to set the line-height in theTextAreato a pixel value corresponding ...
var textArea = document.getElementById('textArea'); CodeMirror.fromTextArea(textArea, { lineNumbers: true }); When I open this in the browser text area is automatically filled horizontally in the window but not vertically (width:100% & height:50%). I tried adding <s...
我正在为 textarea 使用 Codemirror 的插件,但我无法检索 textarea 的值。 代码: var editor = CodeMirror.fromTextArea(document.getElementById("code"), { lineNumbers: true, matchBrackets: true, mode: "text/x-csrc" }); function showCode() { var text = editor.mirror.getCode(); alert(text)...
TextArea类型有两个属性contentWidth和contentHeight，它们包含文本内容的大小。