placeholder names

When I was working on a project, I wanted to change the text color of a text box to make it more eye-catching. However, the default PlaceHolder color is gray. After several attempts and materials, I finally understood it. You only need a CSS style. HTML5 has made many enhancements to Web Form, such as the type and Form Validation added by input. Placeholder is another new attribute of html5. when this attri

First, determine whether the browser supports the placeholder property:var input = document.createelement (' input '); if inch input) { alert (' Support ');} Else { alert (' not supported ');}(1) If you only need to allow browsers that do not support placeholder to support the change function, and do not require the browser to support native placeholder to

Transferred from: http://segmentfault.com/q/1010000002677808Writes the mobile web, defines a textarea, and adds some hints to the placeholder. Because some phone screens are different, the content of placeholder is not wrapped, but beyond the screen display area.Previously searched for some content about placeholder, said to be added ward= "hard" property to forc

What is PlaceHolder? PlaceHolder is a PlaceHolder control. You can add a child control to it. 1. What are ContentPlaceHolder and Content? These two are used for master technology. ContentPlaceHolder is used on the master page, indicating that the Content can be replaced by the Content on the aspx page. Of course, the Content on the aspx page can be ignored. Conte

There are three implementations: pseudo-elements (pseudo-elements), pseudo-classes (pseudo-classes), and notihing.WebKit and Blink (Safari,google Chrome, opera15+) use pseudo-elements::-webkit-input-placeholder:-moz-placeholder::-moz-placeholder:-ms-input-placeholderBecause each browser has a different CSS selector, you need to do a separate setting for each brow

After the input is clicked, the message in placeholder disappears. inputplaceholder In html, placeholder acts as an attribute of input and plays a placeholder and prompt role in the input box. However, some browsers, such as chrome, do not disappear when the mouse clicks the input box, and only the input data disappears, which will greatly compromise the front-en

After the placeholder of the text input box is elegantly implemented by Javascript in the previous article, it tries to find other better ways to implement this placeholder. The placeholder effect we want to achieve is: When the keyboard drops, the placeholder is cleared, If the value is empty when the k

Backward compatibility of the placeholder properties of HTML5more 0The placeholder property is a newly added property of HTML5, and when input or textarea is set, the content of the value is displayed as a gray hint in the text box, and when the text box has the focus, the prompt text disappears, and placeholder can be used as the prompt copy of the input box. Lo

The default prompt text of the input box on the page is generally used as placeholder a property, i.e.:type= "text" name= "username" placeholder= " Please enter the user name " value=" " ID=" username "/>The color of the default text under the DOT style controlInput::-webkit-input-placeholder {color:#AAAAAA;}But in the lower version of the browser does not su

We all know that the Uitextfield in iOS development has a placeholder attribute, and placeholder can easily guide user input. But Uitextview has no placeholder attribute. A wretched way. How to make Uitextview also have placeholder function? Today I would like to share with you a more wretched approach. The idea is p

The font color of the general placeholder is lighter than the value of the input value, so we use the :-webkit-input-placeholder,:-moz-placeholder,:-ms-input-placeholder, these pseudo-class elements. The value on input on Safiri was found using a browser-defined font style, rather than the Arial font I originally set,

In iOS development, for many beginners, it is possible to encounter the color of the placeholder text that needs to be modified Uitextfield, and the color of the cursor when Uitextfield becomes the first responder, then the following small section describes the changes to the placeholder text and the color of the cursor.1: When you are using storyboard development is, click on the Uitextfield, in the top ri

Here is a language specific to placeholder or the expression: the ${},spring in action is described as follows:In spring wiring, placeholder values is property names wrapped with ${...},as an exampl,you can resolve the constructor a Rguments for a blankdisc in XML like this:Class= "Soundsystem. Blankdisc "C:_titile= "${disc.title}"C:_artist= "${disc.artist}"/>The

A graphic placeholder, as its name suggests, is a temporary graphic that you use before you are ready to add a final graphic to a Web page. It allows you to make a Web page without an ideal graphic--insert a placeholder shape where you need to use the graphic to "occupy" the "site" first. (i) Insert placeholder graphics the cursor where you want to insert th

HTML, placeholder as an attribute of input, plays a role in the input box and prompts. But there are some browsers, such as Chrome, when the mouse clicks the input box, the placeholder value does not disappear, only the input data disappears, will make the front-end user experience greatly compromised. See a lot of great God's method, wrote a long JS, looking a little labored, think of the following the m

Org.springframework.beans.factory.BeanDefinitionStoreException:Invalid Bean definition with name ' Masterdatasource ' defined in file [C:\workspace\.metadata\.plugins\org.eclipse.wst.server.core\tmp0\wtpwebapps\xinghe-mycenter-web\Web-inf\classes\spring\applicationcontext-dbpool-c3p0.xml]: Could not resolve placeholder ' master.jdbc.url ' in stringValue "${master.jdbc.url}"; Nested exception is java.lang.IllegalArgumentException:Could not resolve

Before introducing the placeholder attribute of HTML5, we have implemented some page examples for everyone to refer to, but the background text in these examples is gray, the style is very simple, in fact, they can do more beautiful, The CSS3 provides a special rule attribute to beautify the background tip information for input boxes implemented with placeholder. Let's look at how to use a dedicated CSS pro

Before introducing the placeholder attribute of HTML5, we have implemented some page examples for everyone to refer to, but the background text in these examples is gray, the style is very simple, in fact, they can do more beautiful, The CSS3 provides a special rule attribute to beautify the background tip information for input boxes implemented with placeholder. Let's look at how to use a dedicated CSS pro

We all know that UITextField has the placeholder attribute, and UITextView does not have placeholder. How can we simulate UITextfield to make UITextView have placeholder. The idea is: Inherit the uitextview and make [super text] display placeholder when the text is null. The Code is as follows (I referenced arc): UIPla

Text alignment requirements when embedding WebView in app----main test chrome Firefox safariThe first feeling is to write \ n Online Check the following various rhetoric, summarized as follows:List of valid methods:· Similar to \ n solutions such as:[1] placeholder= "Line 1 #13; #10; Line 2 "[2] placeholder= "Line 1Line2 "----This is a random test, because it will upset the code format is not recommended b