using a slider as a cross fader to adjust the opacity of an image
Forked from keit's Pen transparency range slider.
A Pen by Simon Gooder on CodePen.
Created
January 16, 2021 16:12
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transparency range slider
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| <div class="wrapper"> | |
| <img src="http://placekitten.com/999/500" alt="" /> | |
| <div class="slider-wrapper"> | |
| <label for="opacity-slider">Opacity</label> | |
| <input type="range" min="0" max="1" value="1" id="opacity-slider" step="0.01"> | |
| <output for="opacity-slider" id="slider-value">1</output> | |
| </div> | |
| </div> |
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| $('#opacity-slider').on("change mousemove", function() { | |
| $('#slider-value').html($(this).val()); | |
| $('.wrapper img').css({ | |
| 'opacity': $(this).val() | |
| }); | |
| }); |
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| <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script> |
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| body { | |
| margin: 0; | |
| /*background: url(http://placekitten.com/999/500) no-repeat;*/ | |
| background-size: cover; | |
| } | |
| .wrapper img { | |
| position: absolute; | |
| width: 100%; | |
| box-sizing: border-box; | |
| } | |
| .wrapper .slider-wrapper { | |
| position: fixed; | |
| top:0; | |
| left: 0; | |
| box-shadow: 1px 3px 10px rgba(10, 10, 10, 0.5); | |
| border: 0.07rem solid rgb(100,100,100); | |
| background: rgba(30,30,30,0.85); | |
| padding: 7px 15px 8px; | |
| border-radius: 0 0 10px; | |
| color: #ddd; | |
| } | |
| output { | |
| display: inline-block; | |
| width:25px;} |
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