js实现⽂本输⼊框的特效把以下代码放置⽹站底部即可
代码如下：
<script>
$(function() {$("img.lazy").lazyload({effect: "fadeIn"});});
$( document ).ready(function() {$( '.swipebox' ).swipebox();});
if($("#wowslider-container1").length>0){$.getScript(''+ pjaxtheme +'js/slider.js');}
</script>
<script>
(function webpackUniversalModuleDefinition(root, factory) {
if (typeof exports === 'object' && typeof module === 'object') ports = factory();
else if (typeof define === 'function' && define.amd) define([], factory);
else if (typeof exports === 'object') exports["POWERMODE"] = factory();
else root["POWERMODE"] = factory();
})(this, function() {
return (function(modules) {
var installedModules = {};
function __webpack_require__(moduleId) {
if (installedModules[moduleId]) return installedModules[moduleId].exports;
var module = installedModules[moduleId] = {
exports: {},
id: moduleId,
loaded: false
};
modules[moduleId].ports, module, ports, __webpack_require__);
module.loaded = true;
ports;
}
__webpack_require__.m = modules;
__webpack_require__.c = installedModules;
__webpack_require__.p = "";
return __webpack_require__(0);
})
([
function(module, exports, __webpack_require__) {
'use strict';
var canvas = ateElement('canvas');
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
canvas.style.cssText = 'position:fixed;top:0;left:0;pointer-events:none;z-index:999999';
window.addEventListener('resize', function() {
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
});
document.body.appendChild(canvas);
var context = Context('2d');
var particles = [];
var particlePointer = 0;
var frames = 120;
var framesRemain = frames;
var rendering = false;
POWERMODE.shake = true;
function getRandom(min, max) {
return Math.random() * (max - min) + min;
}
function getColor(el) {
if (lorful) {
var u = getRandom(0, 360);
return 'hsla(' + getRandom(u - 10, u + 10) + ', 100%, ' + getRandom(50, 80) + '%, ' + 1 + ')';
} else {
ComputedStyle(el).color;
}
}
function getCaret() {
var el = document.activeElement;
var bcr;
if (el.tagName === 'TEXTAREA' || (el.tagName === 'INPUT' && el.getAttribute('type') === 'text')) {
var offset = __webpack_require__(1)(el, el.selectionStart);
bcr = el.getBoundingClientRect();
return {
x: offset.left + bcr.left,
y: p + p,
color: getColor(el)
};
}
var selection = Selection();
if (selection.rangeCount) {
var range = RangeAt(0);
var startNode = range.startContainer;
if (deType === document.TEXT_NODE) {
startNode = startNode.parentNode;
}
bcr = BoundingClientRect();
return {
x: bcr.left,
y: p,
color: getColor(startNode)
};
}
return {
x: 0,
y: 0,
color: 'transparent'
};
}
function createParticle(x, y, color) {
return {
x: x,
y: y,
alpha: 1,
color: color,
velocity: {
x: -1 + Math.random() * 2,
y: -3.5 + Math.random() * 2
}
};
}
function POWERMODE() {
{
var caret = getCaret();
var numParticles = 5 + und(Math.random() * 10);
while (numParticles--) {
particles[particlePointer] = createParticle(caret.x, caret.y, lor);
particlePointer = (particlePointer + 1) % 500;
}
framesRemain = frames;
if (!rendering) {
requestAnimationFrame(loop);
}
} {
if (POWERMODE.shake) {
var intensity = 1 + 2 * Math.random();
var x = intensity * (Math.random() > 0.5 ? -1 : 1);
var y = intensity * (Math.random() > 0.5 ? -1 : 1);
document.body.style.marginLeft = x + 'px';
document.body.style.marginTop = y + 'px';
setTimeout(function() {
document.body.style.marginLeft = '';
document.body.style.marginTop = '';
}, 75);
}
}
};
function loop() {
if (framesRemain > 0) {
requestAnimationFrame(loop);
framesRemain--;
rendering = true;
} else {
rendering = false;
}
context.clearRect(0, 0, canvas.width, canvas.height);
for (var i = 0; i < particles.length; ++i) {
var particle = particles[i];
if (particle.alpha <= 0.1) continue;
particle.velocity.y += 0.075;
particle.x += particle.velocity.x;
particle.y += particle.velocity.y;
particle.alpha *= 0.96;
context.globalAlpha = particle.alpha;
context.fillStyle = lor;
context.und(particle.x - 1.5), und(particle.y - 1.5), 3, 3);
}
}
requestAnimationFrame(loop);
},
function(module, exports) {
(function() {实现特效的代码js
var properties = ['direction', 'boxSizing', 'width', 'height', 'overflowX', 'overflowY', 'borderTopWidth', 'borderRightWidth', 'borderBottomWidth', 'borderLeftWidth', 'borderStyle', 'paddingTop', 'paddingRight', 'paddingBottom', 'paddingLeft', 'fontStyle', 'fontV var isFirefox = InnerScreenX != null;
function getCaretCoordinates(element, position, options) {
var debug = options && options.debug || false;
if (debug) {
var el = document.querySelector('#input-textarea-caret-position-mirror-div');
if (el) {
veChild(el);
}
}
var div = ateElement('div');
div.id = 'input-textarea-caret-position-mirror-div';
document.body.appendChild(div);
var style = div.style;
var computed = ComputedStyle ? getComputedStyle(element) : element.currentStyle;
style.whiteSpace = 'pre-wrap';
if (deName !== 'INPUT') style.wordWrap = 'break-word';
style.position = 'absolute';
if (!debug) style.visibility = 'hidden';
properties.forEach(function(prop) {
style[prop] = computed[prop];
});
if (isFirefox) {
if (element.scrollHeight > parseInt(computed.height)) style.overflowY = 'scroll';
} else {
style.overflow = 'hidden';
}
if (deName === 'INPUT') Content = place(/\s/g, " ");
var span = ateElement('span');
div.appendChild(span);
var coordinates = {
top: span.offsetTop + parseInt(computed['borderTopWidth']),
left: span.offsetLeft + parseInt(computed['borderLeftWidth'])
};
if (debug) {
span.style.backgroundColor = '#aaa';
} else {
veChild(div);
}
return coordinates;
}
if (typeof module != "undefined" && ports != "undefined") {
} else {
}
}());
}
])
});;
POWERMODE.shake = false;
document.body.addEventListener('input', POWERMODE);
</script>

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