CSS to align label and input

2019-01-21 05:09发布

站内问答 / jQuery
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HTML Code Snippet:

<fieldset id="o-bs-sum-buginfo">
  <label for="o-bs-sum-bug-ErrorPrefix">Error Prefix</label>
  <input type="text" id="o-bs-sum-bug-ErrorPrefix" name="ErrorPrefix" value="" />

  <label for="o-bs-sum-bug-ErrorNumber">Error Number</label>
  <input type="text" id="o-bs-sum-bug-ErrorNumber" name="ErrorNumber" value="" />
  ....
</fieldset>

Using only CSS (or jquery), irrespective of the browser size, I want to pair label and input elements next to each other. I also do have freedom to change tweak the HTML. if required.

6条回答
The star\"
2楼-- · 2019-01-21 05:12

I think using javascript for a simple css trick is overkill. Here is the one i made just now: http://jsfiddle.net/t6R93/

div{
  display: table-row;
}
label,input{
  display:table-cell;
}

PS: It may have flaws with other browsers. I only tested with Chrome.

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一夜七次
3楼-- · 2019-01-21 05:14

There's no need to use JavaScript, jQuery, or additional divs. You just have to:

  • Float both input and label to left (note that input has to be block to be floated).
  • Add clear: both to label.
  • Set fixed width (e.g. 100px) to label.

input {
  display: block;
  float: left;
}
label {
  float: left;
  clear: both;
  width: 100px;
}
<fieldset id="o-bs-sum-buginfo">
  <label for="o-bs-sum-bug-ErrorPrefix">Error Prefix</label>
  <input type="text" id="o-bs-sum-bug-ErrorPrefix" name="ErrorPrefix" value="" />

  <label for="o-bs-sum-bug-ErrorNumber">Error Number</label>
  <input type="text" id="o-bs-sum-bug-ErrorNumber" name="ErrorNumber" value="" />
</fieldset>

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Luminary・发光体
4楼-- · 2019-01-21 05:22

I was curious to see if this could be done with the "natural" semantic markup, i.e. with no non-semantic wrapper elements and with the label containing its corresponding input rather than having to refer to it with the slightly clunky for attribute:

<fieldset>
  <label>Error Prefix<input/></label>
  <label>Error Number<input/></label>
</fieldset>

A fixed-width label won't align the inputs here because the text isn't a separate element, and Shahid's elegantly minimal solution doesn't work either, but if you're willing to make all inputs the same width (which IMHO looks nice anyway) you can float them right:

label { display:block; margin:8px; width:360px; clear:right; overflow:auto; }
input, button, textarea, select { box-sizing:border-box; -moz-box-sizing:border-box; width:200px; float:right; }

The -moz-box-sizing should be redundant when FF29 is released, and even the box-sizing isn't needed unless you're mixing form control types. The clear and overflow are specifically needed for textarea.

Full mixed-input-type example:

<!DOCTYPE html>
<html>
  <head>
    <title>Aligned labels</title>
    <style>
      label { display:block; margin:8px; width:360px; clear:right; overflow:auto; }
      input, button, textarea, select { box-sizing:border-box; -moz-box-sizing:border-box; width:200px; float:right; }
    </style>
  </head>
  <body>
    <label>Name<input type="text" value="Sir Galahad of Camelot"/></label>
    <label>Quest<textarea>I seek the Holy Grail</textarea></label>
    <label>Favourite Colour<select><option>Blue</option><option>Yellow</option></select></label>
    <label>If you're sure...<button>Give Answers</button></label>
  </body>
</html>
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甜甜的少女心
5楼-- · 2019-01-21 05:25

#o-bs-sum-buginfo label, #o-bs-sum-buginfo input{display:inline-block;width:50%;}

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The star\"
6楼-- · 2019-01-21 05:32

Put the every label with its corresponding input into a p tag. Then add the following css:

label{
  float:left;
  width:100px; //whatever width that suits your needs
}

p{
    margin:10px 0; //manipulate the vertical spaces for each input..  
}



<fieldset id="o-bs-sum-buginfo">
  <p>
    <label for="o-bs-sum-bug-ErrorPrefix">Error Prefix</label>
    <input type="text" id="o-bs-sum-bug-ErrorPrefix" name="ErrorPrefix" value="" />
  </p>
</fieldset>
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女痞
7楼-- · 2019-01-21 05:33

This is one of those things which can be surprisingly tricky to get right.

Many people will suggest using float:left; for this. Personally, I really dislike floats; they seem to cause more problems than they solve.

My preference is to use inline-block. This is a display method that combines inline properties (so you can easily align elements next to each other, etc) with block properties (such as being able to specify dimensions).

So the answer is simply to make them both display:inline-block; and give the prompts a fixed width, which will make the input fields next to them line up.

You'll also need some sort of line feed or break after the input field, otherwise the next prompt will appear on the same line, which isn't the desired effect. The best way to achieve this is to put each prompt and its field into a container <div>.

So your HTML will look like this:

<fieldset id="o-bs-sum-buginfo" class="myfields">
  <div>
    <label for="o-bs-sum-bug-ErrorPrefix">Error Prefix</label>
    <input type="text" id="o-bs-sum-bug-ErrorPrefix" name="ErrorPrefix" value="" />
  </div>

  <div>
    <label for="o-bs-sum-bug-ErrorNumber">Error Number</label>
    <input type="text" id="o-bs-sum-bug-ErrorNumber" name="ErrorNumber" value="" />
  </div>
  ....
</fieldset>

and your CSS will look like this:

.myfields label, .myfields input {
  display:inline-block;
}

.myfields label {
  width:200px; /* or whatever size you want them */
}

Hope that helps.

Edit: you can use this plugin for setting the width of each label:

jQuery.fn.autoWidth = function(options) 
{ 
  var settings = { 
        limitWidth   : false 
  } 

  if(options) { 
        jQuery.extend(settings, options); 
    }; 

    var maxWidth = 0; 

  this.each(function(){ 
        if ($(this).width() > maxWidth){ 
          if(settings.limitWidth && maxWidth >= settings.limitWidth) { 
            maxWidth = settings.limitWidth; 
          } else { 
            maxWidth = $(this).width(); 
          } 
        } 
  });   

  this.width(maxWidth); 
}

from this page in a comment

and you use it this way:

$("div.myfields div label").autoWidth();

and thats all... all your labels are going to take the width of the longest label

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