使用jQuery给文本添加动画效果

jquery break/animate warping text paragraph example

jquery, text, effect

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CSS
JavaScript
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编译

JavaScript

$(document).ready(function() {
    setup();
});

function setup() {
    var $passage = $('#weirdtext');

//get the inner HTML of the #weirdtext paragraph
    var rawtxt = $passage.html();

//Get the length of the string for use in loop
    var len = rawtxt.length;

//empty string used to store final text that includes spans
    var newtext = '';

//For each character inside #weirdtext string (this is why we got length)
    for (var i = 0; i < len; i++) {

//get a random num between 1 and 5
        var rng = Math.floor(Math.random() * 5) + 1;

//get the i-th character from the string
        var currentchar = rawtxt.charAt(i);
        if (currentchar == ' ') {
            //if it's a space, add an empty .space span
            var newchar = '<span class="space"></span>';
        } else {
            //otherwise, wrap it with a span, and give it class effectN, where N is a random int as before
            var newchar = '<span class="effect' + rng + '">' + currentchar + '</span>';
        }
        //add this new "char" (actually it's a char with spans wrapping it) to the empty string
        newtext = newtext + newchar;
    }

//replace #weirdtext paragraphs inner HTML with the newly created string
    $passage.html(newtext);

}

编译

CSS

/* http://meyerweb.com/eric/tools/css/reset/ v2.0 | 20110126 License: none (public domain)*/

a,
abbr,
acronym,
address,
applet,
article,
aside,
audio,
b,
big,
blockquote,
body,
canvas,
caption,
center,
cite,
code,
dd,
del,
details,
dfn,
div,
dl,
dt,
em,
embed,
fieldset,
figcaption,
figure,
footer,
form,
h1,
h2,
h3,
h4,
h5,
h6,
header,
hgroup,
html,
i,
iframe,
img,
ins,
kbd,
label,
legend,
li,
mark,
menu,
nav,
object,
ol,
output,
p,
pre,
q,
ruby,
s,
samp,
section,
small,
span,
strike,
strong,
sub,
summary,
sup,
table,
tbody,
td,
tfoot,
th,
thead,
time,
tr,
tt,
u,
ul,
var,
video {
    margin: 0;
    padding: 0;
    border: 0;
    font: inherit;
    vertical-align: baseline
}
article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section {
    display: block
}
body {
    line-height: 1
}
ol,
ul {
    list-style: none
}
blockquote,
q {
    quotes: none
}
blockquote:after,
blockquote:before,
q:after,
q:before {
    content: '';
    content: none
}
table {
    border-collapse: collapse;
    border-spacing: 0
}
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
/*Above is my default quick CSS reset I always use, doesn't really matter for this example though, you can delete it.*/

body {
    background-color: ghostwhite;
    font-family: sans-serif;
    font-size: 33px;
    line-height: 40px;
    letter-spacing: 2px;
    padding: 50px;
    color: #444;
}
/*Center the weird text*/

#weirdtext {
    max-width: 500px;
    display: block;
    margin: 100px auto 20px auto;
}
/*Just the CSS for the quote citation*/

author {
    max-width: 500px;
    display: block;
    margin: 0 auto;
    text-align: right;
    opacity: .4;
}
/*all spans have to be block or inline block to transform*/

#weirdtext span {
    display: inline-block;
}
/*When JS finds a space, it replaces it with a span with .space class*/
/*I did this so you can do stuff with the spaces if you want.*/

.space {
    width: 15px;
}
/*These classes are added to each letter/span using JS so they animate*/

.effect1 {
    animation: zoom 6s linear infinite;
    -webkit-animation: zoom 6s linear infinite;
}
.effect2 {
    animation: bounce 3s linear infinite;
    -webkit-animation: bounce 3s linear infinite;
}
.effect3 {
    animation: squash 2s linear infinite;
    -webkit-animation: squash 2s linear infinite;
}
.effect4 {
    animation: rot 5s linear infinite;
    -webkit-animation: rot 5s linear infinite;
}
.effect5 {
    animation: fade2 4s linear infinite;
    -webkit-animation: fade2 4s linear infinite;
}
/*Here's a bunch of animations*/

@keyframes zoom {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
    }
}
@-webkit-keyframes zoom {
    0% {
        -webkit-transform: scale(1);
    }
    50% {
        -webkit-transform: scale(1.1);
    }
    100% {
        -webkit-transform: scale(1);
    }
}
@keyframes bounce {
    0% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(1px);
    }
    100% {
        transform: translateY(0px);
    }
}
@-webkit-keyframes bounce {
    0% {
        -webkit-transform: translateY(0px);
    }
    50% {
        -webkit-transform: translateY(1px);
    }
    100% {
        -webkit-transform: translateY(0px);
    }
}
@keyframes squash {
    0% {
        transform: scale(1, 1);
    }
    50% {
        transform: scale(1, 1.2);
    }
    100% {
        transform: scale(1, 1);
    }
}
@-webkit-keyframes squash {
    0% {
        -webkit-transform: scale(1, 1);
    }
    50% {
        -webkit-transform: scale(1, 1.2);
    }
    100% {
        -webkit-transform: scale(1, 1);
    }
}
@keyframes rot {
    0% {
        transform: rotate(9deg);
    }
    50% {
        transform: rotate(-9deg);
    }
    100% {
        transform: rotate(9deg);
    }
}
@-webkit-keyframes rot {
    0% {
        -webkit-transform: rotate(9deg);
    }
    50% {
        -webkit-transform: rotate(-9deg);
    }
    100% {
        -webkit-transform: rotate(9deg);
    }
}
@keyframes fade2 {
    0% {
        transform: scale(.8);
        opacity: .7;
    }
    50% {
        transform: scale(1);
        opacity: 1;
    }
    100% {
        transform: scale(.8);
        opacity: .7;
    }
}
@-webkit-keyframes fade2 {
    0% {
        -webkit-transform: scale(.8);
        opacity: .7;
    }
    50% {
        -webkit-transform: scale(1);
        opacity: 1;
    }
    100% {
        -webkit-transform: scale(.8);
        opacity: .7;
    }
}

HTML

jquery break/animate warping text paragraph example

jquery, text, effect

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jquery break/animate warping text paragraph example

jquery, text, effect

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