textarea | 易学教程

How to pass apostrophies from text areas to MySQL using PHP

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问题 I have a text area that users add notes too. On the next page I use the $_POST[Comments] to show what was typed. I have an edit button to go back and see what was typed and edit the notes but when I show the $_POST[Comments] it shows everything up to an apostrophe. Example: Originally typed: Let's try this. When Editing: Let Now when I pass it to the server to do an SQL add I use the following function to protect against SQL injection function keepSafe($value) { if (get_magic_quotes_gpc()) {

高度自适应输入框的清晰解题思路

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前言业务开发中，经常会遇到文本输入框高度随着输入内容高度变化的情况，下面我们来详细说明一下实现这种输入框的方案和解题思路方案一为一种扩展思路,仅供参考方案二为常规思路，急着用的小伙伴建议直接看二第三个板块附上了react native和react native to web的代码实现方案 ※方案一：contenteditable属性法 contenteditable属性表示元素是否可编辑，变为可编辑状态的元素还保留其原有的特性，属性值为如下两者之一 -true或空字符串，表示元素是可编辑的； -false表示元素不是可编辑的；该属性是一个枚举属性，而非布尔属性。这意味着必须显式设置其值为 true 、 false 或空字符串中的一个，最好不要简写为 <label contenteditable>Example Label</label> 正确的用法是 : <element contenteditable="value"> --value=true/false 🌰分析 <style type="text/css"> .container { padding: 20px; } .auto-input { min-height: 100px; font-size: 30px; border: 1px solid red; } </style> <body> <h1

textarea 输入框倒数字数限制

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<div class="wordCount" id="wordCount"> <textarea placeholder="textarea还剩余字数统计"></textarea> <span class="wordwrap"><var class="word">50</var>/50</span> </div> $(function() { //先选出 textarea 和统计字数 dom 节点 var wordCount = $("#wordCount"), textArea = wordCount.find("textarea"), word = wordCount.find(".word"); //调用 statInputNum(textArea, word); }); /* * 剩余字数统计 * 注意最大字数只需要在放数字的节点哪里直接写好即可如：<var class="word">200</var> */ function statInputNum(textArea, numItem) { var max = numItem.text(), curLength; textArea[0].setAttribute("maxlength", max); curLength = textArea.val().length; numItem.text(max -

Extract text from caret position textarea

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问题 I am having trouble to extract text from textarea using WPF code behind. Example: Sunny day in London if the cursor is set on [d*ay] it should return day. * for the cursor. Any help will be appreciated. 回答1: This seems to work but I am not sure how you want it to behave when the caret is in the middle of whitespace. As is, it basically returns the nearest token that is touching the caret. For example, the phrase "Sunny day in London" has four tokens: "Sunny", "day", "in", and "London". string

textarea doesnt return value

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问题 Im using a code editor codepress in all of my textareas, but no textarea return a value. I think the different name and id is the problem. Example: <textarea name="content_text" rows="20" cols="50" class="codepress sql" id="myCpWindow"></textarea> I have read somewhere in here to use a hidden input to transfer the textarea's value, but i cant do it myself! ayhelp? 回答1: Both answers didnt work... In the support forum of codepress i found this: <input type="submit" onclick="textareaID.textarea

Can't remove empty line break in textarea with Javascript replace method

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问题 When I paste the following into the text area, when onblur it's supposed to tidy up the text pasted removing certain words, tab spaces and tidying up by placing each value separated by the tabs spaces into it's own line. But it always leaves a blank empty line at the very first line: Note: I can't seem to emulate tab spaces in html so you'll have to manually type the following in notepad to properly replicate my problem: where %%% replace with tab space in notepad then select-all and copy

Jquery events on CKeditor

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问题 Hello in a form with a textarea with id "ckeditor_input" $("#ckeditor_input").ckeditor(); $("#ckeditor_input").html(); // can get the value ("#ckeditor_input").click/blur/keydown/keypressed( function(){ alert("OK"); } ); //doesn't work! the problem is ckeditor! If I don't start an instance of ckeditor on the textarea all events work fine! What is the right way to get events on a ckeditor instance? Thank you 回答1: CKEditor uses an iframe... very annoying for jQuery events. You could try: $($('

使用contenteditable+div模拟textarea文本域实现高度自适应

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使用contenteditable+div模拟textarea文本域实现高度自适应开发过程中由于需要在发送消息的时候需要有一个可以高度自适应的文本域，一开始是使用textarea并搭配auto-size插件来做到textarea的高度自适应，后来因为遇到一些问题，而且也多加了依赖缺乏可定制，所以决定使用contenteditable来实现。 contenteditable介绍 contenteditable 属性规定元素内容是否可编辑，是H5新增的属性，支持情况相当好，基本上所有的浏览器都兼容。语法： <element contenteditable="true|false"> 实现主要代码如下代码实现是基于vue来实现的。 html部分： <template> <div class="textarea" contenteditable="true"></div> </template> CSS部分 <style scoped lang="less" rel="stylesheet/less"> .textarea { box-sizing: border-box; min-height: 136px; max-height: 300px; margin-left: auto; margin-right: auto; padding: 3px; outline: 0;

Getting the First Word in a Tag With Regex

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问题 I'm trying to make a regex to get the first word in a < ... > tag. I already have one to get all the words in a tag. I'm using this for it: /<(.*?)>/ My question is, can I get the first word in a tag using a regex? 回答1: Here's a working solution: /<([^>\s]+)[^>]*>/ 回答2: This will do it... /<(.*?)\s/ 回答3: In simple case /<(\S+)/ might be what you are looking for, or you might be more formal and actually list only characters allowed in tag names. 回答4: var tag = "< hello world>"; var regex = /<

How to convert entites of JSP request arguments for html form textarea?

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问题 I am new to JSP and generating a form with a text area. Is there a library to convert the text from/to an HTML's FORM TEXTAREA that will convert to/from entities for the URL to be properly formatted/parsed? For example: textarea (named ta): simple test with ampersand & in textarea url: http://.../myapp.jsp?ta=simple+test+with+ampersand+%26+in+textarea 回答1: If you are using scriptlets, you can use the URLEncoder.encode(String string, String encoding) to encode Strings in safely for use in URLs