随意分叉和改进。
-
单个字符的纯 CSS
- 用于跨文本或多个字符的自动化的 JavaScript
- 为盲人或视障人士保留屏幕阅读器的文本辅助功能
第 1 部分:基本解决方案
演示:http://jsfiddle.net/arbel/pd9yB/1694/
这适用于任何动态文本或单个字符,并且全部是自动的。您需要做的就是在目标文本上添加一个类,其余的就交给了。
此外,还为盲人或视障人士保留原始文本的可访问性。
单个字符的说明:
纯 CSS。您需要做的就是将类应用于包含要半样式的字符的每个元素。.halfStyle
对于包含字符的每个 span 元素,您可以创建一个数据属性,例如 这里 ,并且使用伪元素,因此该类将是动态的,您不需要为每个实例硬编码它。data-content="X"
content: attr(data-content);
.halfStyle:before
任何文本的说明:
只需将类添加到包含文本的元素中即可。textToHalfStyle
// jQuery for automated mode
jQuery(function($) {
var text, chars, $el, i, output;
// Iterate over all class occurences
$('.textToHalfStyle').each(function(idx, el) {
$el = $(el);
text = $el.text();
chars = text.split('');
// Set the screen-reader text
$el.html('<span style="position: absolute !important;clip: rect(1px 1px 1px 1px);clip: rect(1px, 1px, 1px, 1px);">' + text + '</span>');
// Reset output for appending
output = '';
// Iterate over all chars in the text
for (i = 0; i < chars.length; i++) {
// Create a styled element for each character and append to container
output += '<span aria-hidden="true" class="halfStyle" data-content="' + chars[i] + '">' + chars[i] + '</span>';
}
// Write to DOM only once
$el.append(output);
});
});
.halfStyle {
position: relative;
display: inline-block;
font-size: 80px; /* or any font size will work */
color: black; /* or transparent, any color */
overflow: hidden;
white-space: pre; /* to preserve the spaces from collapsing */
}
.halfStyle:before {
display: block;
z-index: 1;
position: absolute;
top: 0;
left: 0;
width: 50%;
content: attr(data-content); /* dynamic content for the pseudo element */
overflow: hidden;
color: #f00;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<p>Single Characters:</p>
<span class="halfStyle" data-content="X">X</span>
<span class="halfStyle" data-content="Y">Y</span>
<span class="halfStyle" data-content="Z">Z</span>
<span class="halfStyle" data-content="A">A</span>
<hr/>
<p>Automated:</p>
<span class="textToHalfStyle">Half-style, please.</span>
(JSFiddle 演示)
第 2 部分:高级解决方案 - 独立的左右部分
使用此解决方案,您可以单独和独立地设置左右零件的样式。
一切都是一样的,只有更高级的CSS才能发挥作用。
jQuery(function($) {
var text, chars, $el, i, output;
// Iterate over all class occurences
$('.textToHalfStyle').each(function(idx, el) {
$el = $(el);
text = $el.text();
chars = text.split('');
// Set the screen-reader text
$el.html('<span style="position: absolute !important;clip: rect(1px 1px 1px 1px);clip: rect(1px, 1px, 1px, 1px);">' + text + '</span>');
// Reset output for appending
output = '';
// Iterate over all chars in the text
for (i = 0; i < chars.length; i++) {
// Create a styled element for each character and append to container
output += '<span aria-hidden="true" class="halfStyle" data-content="' + chars[i] + '">' + chars[i] + '</span>';
}
// Write to DOM only once
$el.append(output);
});
});
.halfStyle {
position: relative;
display: inline-block;
font-size: 80px; /* or any font size will work */
color: transparent; /* hide the base character */
overflow: hidden;
white-space: pre; /* to preserve the spaces from collapsing */
}
.halfStyle:before { /* creates the left part */
display: block;
z-index: 1;
position: absolute;
top: 0;
width: 50%;
content: attr(data-content); /* dynamic content for the pseudo element */
overflow: hidden;
pointer-events: none; /* so the base char is selectable by mouse */
color: #f00; /* for demo purposes */
text-shadow: 2px -2px 0px #af0; /* for demo purposes */
}
.halfStyle:after { /* creates the right part */
display: block;
direction: rtl; /* very important, will make the width to start from right */
position: absolute;
z-index: 2;
top: 0;
left: 50%;
width: 50%;
content: attr(data-content); /* dynamic content for the pseudo element */
overflow: hidden;
pointer-events: none; /* so the base char is selectable by mouse */
color: #000; /* for demo purposes */
text-shadow: 2px 2px 0px #0af; /* for demo purposes */
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<p>Single Characters:</p>
<span class="halfStyle" data-content="X">X</span>
<span class="halfStyle" data-content="Y">Y</span>
<span class="halfStyle" data-content="Z">Z</span>
<span class="halfStyle" data-content="A">A</span>
<hr/>
<p>Automated:</p>
<span class="textToHalfStyle">Half-style, please.</span>
(JSFiddle 演示)
第 3 部分:混合搭配和改进
现在我们知道了什么是可能的,让我们创建一些变体。
-水平半零件
-
无文本阴影:
-
每个半部分独立使用文本阴影的可能性:
// jQuery for automated mode
jQuery(function($) {
var text, chars, $el, i, output;
// Iterate over all class occurences
$('.textToHalfStyle').each(function(idx, el) {
$el = $(el);
text = $el.text();
chars = text.split('');
// Set the screen-reader text
$el.html('<span style="position: absolute !important;clip: rect(1px 1px 1px 1px);clip: rect(1px, 1px, 1px, 1px);">' + text + '</span>');
// Reset output for appending
output = '';
// Iterate over all chars in the text
for (i = 0; i < chars.length; i++) {
// Create a styled element for each character and append to container
output += '<span aria-hidden="true" class="halfStyle" data-content="' + chars[i] + '">' + chars[i] + '</span>';
}
// Write to DOM only once
$el.append(output);
});
});
.halfStyle {
position: relative;
display: inline-block;
font-size: 80px; /* or any font size will work */
color: transparent; /* hide the base character */
overflow: hidden;
white-space: pre; /* to preserve the spaces from collapsing */
}
.halfStyle:before { /* creates the top part */
display: block;
z-index: 2;
position: absolute;
top: 0;
height: 50%;
content: attr(data-content); /* dynamic content for the pseudo element */
overflow: hidden;
pointer-events: none; /* so the base char is selectable by mouse */
color: #f00; /* for demo purposes */
text-shadow: 2px -2px 0px #af0; /* for demo purposes */
}
.halfStyle:after { /* creates the bottom part */
display: block;
position: absolute;
z-index: 1;
top: 0;
height: 100%;
content: attr(data-content); /* dynamic content for the pseudo element */
overflow: hidden;
pointer-events: none; /* so the base char is selectable by mouse */
color: #000; /* for demo purposes */
text-shadow: 2px 2px 0px #0af; /* for demo purposes */
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<p>Single Characters:</p>
<span class="halfStyle" data-content="X">X</span>
<span class="halfStyle" data-content="Y">Y</span>
<span class="halfStyle" data-content="Z">Z</span>
<span class="halfStyle" data-content="A">A</span>
<hr/>
<p>Automated:</p>
<span class="textToHalfStyle">Half-style, please.</span>
(JSFiddle 演示)
-垂直 1/3 部件
-
无文本阴影:
-
每个1/3部分独立文本阴影的可能性:
// jQuery for automated mode
jQuery(function($) {
var text, chars, $el, i, output;
// Iterate over all class occurences
$('.textToHalfStyle').each(function(idx, el) {
$el = $(el);
text = $el.text();
chars = text.split('');
// Set the screen-reader text
$el.html('<span style="position: absolute !important;clip: rect(1px 1px 1px 1px);clip: rect(1px, 1px, 1px, 1px);">' + text + '</span>');
// Reset output for appending
output = '';
// Iterate over all chars in the text
for (i = 0; i < chars.length; i++) {
// Create a styled element for each character and append to container
output += '<span aria-hidden="true" class="halfStyle" data-content="' + chars[i] + '">' + chars[i] + '</span>';
}
// Write to DOM only once
$el.append(output);
});
});
.halfStyle { /* base char and also the right 1/3 */
position: relative;
display: inline-block;
font-size: 80px; /* or any font size will work */
color: transparent; /* hide the base character */
overflow: hidden;
white-space: pre; /* to preserve the spaces from collapsing */
color: #f0f; /* for demo purposes */
text-shadow: 2px 2px 0px #0af; /* for demo purposes */
}
.halfStyle:before { /* creates the left 1/3 */
display: block;
z-index: 2;
position: absolute;
top: 0;
width: 33.33%;
content: attr(data-content); /* dynamic content for the pseudo element */
overflow: hidden;
pointer-events: none; /* so the base char is selectable by mouse */
color: #f00; /* for demo purposes */
text-shadow: 2px -2px 0px #af0; /* for demo purposes */
}
.halfStyle:after { /* creates the middle 1/3 */
display: block;
z-index: 1;
position: absolute;
top: 0;
width: 66.66%;
content: attr(data-content); /* dynamic content for the pseudo element */
overflow: hidden;
pointer-events: none; /* so the base char is selectable by mouse */
color: #000; /* for demo purposes */
text-shadow: 2px 2px 0px #af0; /* for demo purposes */
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<p>Single Characters:</p>
<span class="halfStyle" data-content="X">X</span>
<span class="halfStyle" data-content="Y">Y</span>
<span class="halfStyle" data-content="Z">Z</span>
<span class="halfStyle" data-content="A">A</span>
<hr/>
<p>Automated:</p>
<span class="textToHalfStyle">Half-style, please.</span>
(JSFiddle 演示)
-水平 1/3 零件
-
无文本阴影:
-
每个1/3部分独立文本阴影的可能性:
// jQuery for automated mode
jQuery(function($) {
var text, chars, $el, i, output;
// Iterate over all class occurences
$('.textToHalfStyle').each(function(idx, el) {
$el = $(el);
text = $el.text();
chars = text.split('');
// Set the screen-reader text
$el.html('<span style="position: absolute !important;clip: rect(1px 1px 1px 1px);clip: rect(1px, 1px, 1px, 1px);">' + text + '</span>');
// Reset output for appending
output = '';
// Iterate over all chars in the text
for (i = 0; i < chars.length; i++) {
// Create a styled element for each character and append to container
output += '<span aria-hidden="true" class="halfStyle" data-content="' + chars[i] + '">' + chars[i] + '</span>';
}
// Write to DOM only once
$el.append(output);
});
});
.halfStyle { /* base char and also the bottom 1/3 */
position: relative;
display: inline-block;
font-size: 80px; /* or any font size will work */
color: transparent;
overflow: hidden;
white-space: pre; /* to preserve the spaces from collapsing */
color: #f0f;
text-shadow: 2px 2px 0px #0af; /* for demo purposes */
}
.halfStyle:before { /* creates the top 1/3 */
display: block;
z-index: 2;
position: absolute;
top: 0;
height: 33.33%;
content: attr(data-content); /* dynamic content for the pseudo element */
overflow: hidden;
pointer-events: none; /* so the base char is selectable by mouse */
color: #f00; /* for demo purposes */
text-shadow: 2px -2px 0px #fa0; /* for demo purposes */
}
.halfStyle:after { /* creates the middle 1/3 */
display: block;
position: absolute;
z-index: 1;
top: 0;
height: 66.66%;
content: attr(data-content); /* dynamic content for the pseudo element */
overflow: hidden;
pointer-events: none; /* so the base char is selectable by mouse */
color: #000; /* for demo purposes */
text-shadow: 2px 2px 0px #af0; /* for demo purposes */
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<p>Single Characters:</p>
<span class="halfStyle" data-content="X">X</span>
<span class="halfStyle" data-content="Y">Y</span>
<span class="halfStyle" data-content="Z">Z</span>
<span class="halfStyle" data-content="A">A</span>
<hr/>
<p>Automated:</p>
<span class="textToHalfStyle">Half-style, please.</span>
(JSFiddle 演示)
-@KevinGranger的半款改进
// jQuery for automated mode
jQuery(function($) {
var text, chars, $el, i, output;
// Iterate over all class occurences
$('.textToHalfStyle').each(function(idx, el) {
$el = $(el);
text = $el.text();
chars = text.split('');
// Set the screen-reader text
$el.html('<span style="position: absolute !important;clip: rect(1px 1px 1px 1px);clip: rect(1px, 1px, 1px, 1px);">' + text + '</span>');
// Reset output for appending
output = '';
// Iterate over all chars in the text
for (i = 0; i < chars.length; i++) {
// Create a styled element for each character and append to container
output += '<span aria-hidden="true" class="halfStyle" data-content="' + chars[i] + '">' + chars[i] + '</span>';
}
// Write to DOM only once
$el.append(output);
});
});
body {
background-color: black;
}
.textToHalfStyle {
display: block;
margin: 200px 0 0 0;
text-align: center;
}
.halfStyle {
font-family: 'Libre Baskerville', serif;
position: relative;
display: inline-block;
width: 1;
font-size: 70px;
color: black;
overflow: hidden;
white-space: pre;
text-shadow: 1px 2px 0 white;
}
.halfStyle:before {
display: block;
z-index: 1;
position: absolute;
top: 0;
width: 50%;
content: attr(data-content); /* dynamic content for the pseudo element */
overflow: hidden;
color: white;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<p>Single Characters:</p>
<span class="halfStyle" data-content="X">X</span>
<span class="halfStyle" data-content="Y">Y</span>
<span class="halfStyle" data-content="Z">Z</span>
<span class="halfStyle" data-content="A">A</span>
<hr/>
<p>Automated:</p>
<span class="textToHalfStyle">Half-style, please.</span>
(JSFiddle 演示)
// jQuery for automated mode
jQuery(function($) {
var text, chars, $el, i, output;
// Iterate over all class occurences
$('.textToHalfStyle').each(function(idx, el) {
$el = $(el);
text = $el.text();
chars = text.split('');
// Set the screen-reader text
$el.html('<span style="position: absolute !important;clip: rect(1px 1px 1px 1px);clip: rect(1px, 1px, 1px, 1px);">' + text + '</span>');
// Reset output for appending
output = '';
// Iterate over all chars in the text
for (i = 0; i < chars.length; i++) {
// Create a styled element for each character and append to container
output += '<span aria-hidden="true" class="halfStyle" data-content="' + chars[i] + '">' + chars[i] + '</span>';
}
// Write to DOM only once
$el.append(output);
});
});
.halfStyle {
position: relative;
display: inline-block;
font-size: 68px;
color: rgba(0, 0, 0, 0.8);
overflow: hidden;
white-space: pre;
transform: rotate(4deg);
text-shadow: 2px 1px 3px rgba(0, 0, 0, 0.3);
}
.halfStyle:before { /* creates the left part */
display: block;
z-index: 1;
position: absolute;
top: -0.5px;
left: -3px;
width: 100%;
content: attr(data-content);
overflow: hidden;
pointer-events: none;
color: #FFF;
transform: rotate(-4deg);
text-shadow: 0px 0px 1px #000;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<p>Single Characters:</p>
<span class="halfStyle" data-content="X">X</span>
<span class="halfStyle" data-content="Y">Y</span>
<span class="halfStyle" data-content="Z">Z</span>
<span class="halfStyle" data-content="A">A</span>
<hr/>
<p>Automated:</p>
<span class="textToHalfStyle">Half-style, please.</span>
(JSFiddle 演示和 samtremaine.co.uk)
第 4 部分:准备投入生产
自定义的不同半样式样式集可用于同一页面上的所需元素。您可以定义多个样式集,并告诉插件要使用哪一个。
该插件在目标元素上使用数据属性,并自动进行所有必要的更改。data-halfstyle="[-CustomClassName-]"
.textToHalfStyle
因此,只需在包含文本的元素上添加类和数据属性即可。该插件将完成其余的工作。textToHalfStyle
data-halfstyle="[-CustomClassName-]"
此外,CSS 样式集的类定义与上面提到的部分匹配,并链接到 ,因此我们将具有[-CustomClassName-]
.halfStyle
.halfStyle.[-CustomClassName-]
jQuery(function($) {
var halfstyle_text, halfstyle_chars, $halfstyle_el, halfstyle_i, halfstyle_output, halfstyle_style;
// Iterate over all class occurrences
$('.textToHalfStyle').each(function(idx, halfstyle_el) {
$halfstyle_el = $(halfstyle_el);
halfstyle_style = $halfstyle_el.data('halfstyle') || 'hs-base';
halfstyle_text = $halfstyle_el.text();
halfstyle_chars = halfstyle_text.split('');
// Set the screen-reader text
$halfstyle_el.html('<span style="position: absolute !important;clip: rect(1px 1px 1px 1px);clip: rect(1px, 1px, 1px, 1px);">' + halfstyle_text + '</span>');
// Reset output for appending
halfstyle_output = '';
// Iterate over all chars in the text
for (halfstyle_i = 0; halfstyle_i < halfstyle_chars.length; halfstyle_i++) {
// Create a styled element for each character and append to container
halfstyle_output += '<span aria-hidden="true" class="halfStyle ' + halfstyle_style + '" data-content="' + halfstyle_chars[halfstyle_i] + '">' + halfstyle_chars[halfstyle_i] + '</span>';
}
// Write to DOM only once
$halfstyle_el.append(halfstyle_output);
});
});
/* start half-style hs-base */
.halfStyle.hs-base {
position: relative;
display: inline-block;
font-size: 80px; /* or any font size will work */
overflow: hidden;
white-space: pre; /* to preserve the spaces from collapsing */
color: #000; /* for demo purposes */
}
.halfStyle.hs-base:before {
display: block;
z-index: 1;
position: absolute;
top: 0;
width: 50%;
content: attr(data-content); /* dynamic content for the pseudo element */
pointer-events: none; /* so the base char is selectable by mouse */
overflow: hidden;
color: #f00; /* for demo purposes */
}
/* end half-style hs-base */
/* start half-style hs-horizontal-third */
.halfStyle.hs-horizontal-third { /* base char and also the bottom 1/3 */
position: relative;
display: inline-block;
font-size: 80px; /* or any font size will work */
color: transparent;
overflow: hidden;
white-space: pre; /* to preserve the spaces from collapsing */
color: #f0f;
text-shadow: 2px 2px 0px #0af; /* for demo purposes */
}
.halfStyle.hs-horizontal-third:before { /* creates the top 1/3 */
display: block;
z-index: 2;
position: absolute;
top: 0;
height: 33.33%;
content: attr(data-content); /* dynamic content for the pseudo element */
overflow: hidden;
pointer-events: none; /* so the base char is selectable by mouse */
color: #f00; /* for demo purposes */
text-shadow: 2px -2px 0px #fa0; /* for demo purposes */
}
.halfStyle.hs-horizontal-third:after { /* creates the middle 1/3 */
display: block;
position: absolute;
z-index: 1;
top: 0;
height: 66.66%;
content: attr(data-content); /* dynamic content for the pseudo element */
overflow: hidden;
pointer-events: none; /* so the base char is selectable by mouse */
color: #000; /* for demo purposes */
text-shadow: 2px 2px 0px #af0; /* for demo purposes */
}
/* end half-style hs-horizontal-third */
/* start half-style hs-PeelingStyle, by user SamTremaine on Stackoverflow.com */
.halfStyle.hs-PeelingStyle {
position: relative;
display: inline-block;
font-size: 68px;
color: rgba(0, 0, 0, 0.8);
overflow: hidden;
white-space: pre;
transform: rotate(4deg);
text-shadow: 2px 1px 3px rgba(0, 0, 0, 0.3);
}
.halfStyle.hs-PeelingStyle:before { /* creates the left part */
display: block;
z-index: 1;
position: absolute;
top: -0.5px;
left: -3px;
width: 100%;
content: attr(data-content);
overflow: hidden;
pointer-events: none;
color: #FFF;
transform: rotate(-4deg);
text-shadow: 0px 0px 1px #000;
}
/* end half-style hs-PeelingStyle */
/* start half-style hs-KevinGranger, by user KevinGranger on StackOverflow.com*/
.textToHalfStyle.hs-KevinGranger {
display: block;
margin: 200px 0 0 0;
text-align: center;
}
.halfStyle.hs-KevinGranger {
font-family: 'Libre Baskerville', serif;
position: relative;
display: inline-block;
width: 1;
font-size: 70px;
color: black;
overflow: hidden;
white-space: pre;
text-shadow: 1px 2px 0 white;
}
.halfStyle.hs-KevinGranger:before {
display: block;
z-index: 1;
position: absolute;
top: 0;
width: 50%;
content: attr(data-content); /* dynamic content for the pseudo element */
overflow: hidden;
color: white;
}
/* end half-style hs-KevinGranger
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<p>
<span class="textToHalfStyle" data-halfstyle="hs-base">Half-style, please.</span>
</p>
<p>
<span class="textToHalfStyle" data-halfstyle="hs-horizontal-third">Half-style, please.</span>
</p>
<p>
<span class="textToHalfStyle" data-halfstyle="hs-PeelingStyle">Half-style, please.</span>
</p>
<p style="background-color:#000;">
<span class="textToHalfStyle" data-halfstyle="hs-KevinGranger">Half-style, please.</span>
</p>
(JSFiddle 演示)