How to hide text within a contenteditable element

I'm trying to create a contenteditable span that behaves like a password field in a Linux terminal; the text is entered, but not visible. I've experimented with different CSS properties like visibility: hidden and display: none, but they don't achieve the desired effect. Changing the text color to match the background makes it disappear, but also hides the caret.

My preference is to implement this using CSS, but I'm open to using JavaScript if necessary. Here's the code snippet:

.input {
    display: inline;
}

body {
    background-color: black;
}

#field-in {
    color: #ffffff;
    outline: none;
    display: inline-block;
}
<div class="input">
    <span id="field"><span id="field-name">Invisible Text:</span><span id="field-in" contenteditable>&nbsp;</span></span>
</div>

Answer №1

Customize the caret color to make it visible:

.input {
    display: inline;
}
body {
    background-color: white;
    color: black;
}
#field-in {
    color: #333333;
    caret-color: #ff0000;
    outline: none;
    display: inline-block;
}
#field-in::selection, #field-in::-moz-selection {
    color: #333333;
    background-color: #333333;
}
<div class="input">
    <span id="field"><span id="field-name">Visible Text:</span><span id="field-in" contenteditable>&nbsp;</span></span>
</div>

Answer №2

Here are a few CSS properties to consider:

  1. color: rgba(0,0,0,0);
  2. caret-color: red;

One unique CSS pseudo-element to take note of:

  1. ::-moz-selection { background: rgba(0, 0, 0, 0); }<br>
    ::selection {background: rgba(0, 0, 0, 0); }

When dealing with the caret color, it's important to provide contrast using the caret-color property. The value rgba(0,0,0,0) represents transparent black where the fourth parameter signifies alpha (opacity). Be mindful that the selection highlight shares the same color so if the default text selection color (usually blue) is used, the text may not become visible. This setup will work seamlessly across various background colors.

.input {
  display: inline-block;
}

body {
  background-color: none;
}

#field-in {
  outline: none;
  color: rgba(0, 0, 0, 0);
  caret-color: red;
  display: inline-block;
}

#field-in::-moz-selection {
  background: rgba(0, 0, 0, 0);
}

#field-in::selection {
  background: rgba(0, 0, 0, 0);
}
<div class="input">
  <span id="field"><span id="field-name">Invisible Text:</span><span id="field-in" contenteditable>Test</span></span>
</div>

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