表单填写进度提示效果
今天在各大技术网站闲逛，发现一个表单填写进度提示的js,下载源码自己写了一个简单的页面实现了一下，比较简单，分享一下，具体效果如下：
原理很简单，就是遍历所有表单输入项，根据length和已经填写的数目来算百分比，如上图的填写进度就是2/3。
index.html
<!DOCTYPE html>
<html lang="zh-cn">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width">
<title>Fort.js - 表单填写进度提示效果</title>
<link rel="stylesheet" href="style.css">
<link rel="stylesheet" href="fort.css">
<style>
.top-banner {
background-color: #333;
}
.nav {
margin-bottom: 30px;
}
.nav li.current a{
background-color: #009DFF;
color: #fff;
padding: 10px;
}
.nav a {
margin: 5px;
color: #333;
text-decoration: none;
}
</style>
<script src="fort.js"></script>
</head>
<body>
<div class="form-wrapper">
<div class="top"><div class="colors"></div></div>
<div class="nav">
<ul>
<li class="current"><a href="../default/index.html">效果一</a></li>
</ul>
</div>
<form name="form" action="#">
<div class="form">
<div class="form-item">
<input type="text" name="text" required="required" placeholder="Name" autocomplete="off">
</div>
<div class="form-item">
<input type="text" name="text" required="required" placeholder="Username" autocomplete="off">
</div>
<div class="form-item">
<input type="password" name="password" required="required" placeholder="Password" autocomplete="off">
</div>
<div class="button-panel">
<input type="submit" class="button" title="Sign In" value="Test It Out">
</div>
</div>
</form>
</div>
<script>
solid();
</script>
<script type="text/javascript" src="http://cdn.staticfile.org/jquery/1.8.2/jquery.min.js"></script>
<script src="http://dreamsky.github.io/main/blog/common/init.js"></script>
</body>
</html>
fort.css
.top{
background: #009dff;
/*background:linear-gradient(to right,#009dff 0,#00c8ff 100%);*/
position:fixed;
z-index:1031;
top:0;
left:0;
height:4px;
transition:all 1s;
width:0;
overflow: hidden;
}
.colors{
width: 100%;
height: 4px;
}
style.css
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
text-align: center;
background: #fff;
color: #7b8993;
font: 300 87.5%/1.5em 'Open Sans', sans-serif;
}
.form-wrapper {
padding-top: 10%;
border-radius: 2px;
margin: 50px auto;
position: relative;
width: 375px;
}
form {
padding: 30px 20px 0;
}
.form-item {
margin-bottom: 10px;
width: 100%;
}
.form-item input {
border: 1px solid #ccc;
border-radius: 2px;
color: #000;
font-family: 'Open Sans', sans-serif;
font-size: 1em;
height: 50px;
padding: 0 16px;
transition: background 0.3s ease-in-out;
width: 100%;
}
.form-item input:focus {
outline: none;
border-color: #9ecaed;
box-shadow: 0 0 10px #9ecaed;
}
.button-panel {
margin: 20px 0 0;
width: 100%;
}
.button-panel .button {
-webkit-appearance: none;
background: #009dff;
border: none;
border-radius: 2px;
color: #fff;
cursor: pointer;
height: 50px;
font-family: 'Open Sans', sans-serif;
font-size: 1.2em;
letter-spacing: 0.05em;
text-align: center;
text-transform: uppercase;
transition: background 0.3s ease-in-out;
width: 100%;
}
.button:hover {
background: #00c8ff;
}
@media only screen
and (max-width : 320px) {
.form-wrapper {
padding-top: 10%;
border-radius: 2px;
margin: 50px auto;
position: relative;
width: 320px;
}
}
.cent {
text-align: center;
color: #000;
}
.view {
text-align: center;
text-decoration: none;
color: #7b8993;
padding-top: 10px;
}
#ref {
text-align: center;
text-decoration: underline;
color: #7b8993;
padding-top: 8px;
font-size: 16px;
}
#ref:hover {
text-align: center;
color: #009dff;
text-decoration: underline;
-webkit-animation: hue 60s infinite linear;
padding-top: 8px;
font-size: 16px;
}
ul li{
display: inline-block;
list-style-type: none;
text-align: center;
}
.h1h{
color: #000;
text-align: center;
}
.lil{
display: inline-block;
}
fort.js
function solid(){
function cback(e) {
var t = [];
for (var n = inputs.length; n--;) {
if (!inputs[n].value.length) t.push(inputs[n]);
}
var r = t.length;
var i = inputs.length;
var s = document.querySelectorAll(".top");
for (var o = s.length; o--;) {
s[o].style.width = 100 - r / i * 100 + "%";
}
}
var forms = document.querySelectorAll(".form"),
inputs = [];
for (var i = forms.length; i--;) {
var els = forms[i].querySelectorAll("input, textarea, select");
for (var j = els.length; j--;) {
if (els[j].type != "button" && els[j].type != "submit") {
inputs.push(els[j]);
els[j].addEventListener("input", cback, false);
}
}
}
}
function flash(){
function cback(e) {
var t = [];
for (var n = inputs.length; n--;) {
if (!inputs[n].value.length) t.push(inputs[n]);
}
var r = t.length;
var i = inputs.length;
var s = document.querySelectorAll(".top");
for (var o = s.length; o--;) {
s[o].style.width = 100 - r / i * 100 + "%";
s[o].style.background = cols[i-r-1];
}
}
var forms = document.querySelectorAll(".form"),
inputs = [];
for (var i = forms.length; i--;) {
var els = forms[i].querySelectorAll("input, textarea, select");
for (var j = els.length; j--;) {
if (els[j].type != "button" && els[j].type != "submit") {
inputs.push(els[j]);
els[j].addEventListener("input", cback, false);
}
}
}
var cols = ["#1ABC9C","#EC7063","#3498DB"];
}
function gradient(){
function cback(e) {
var t = [];
for (var n = inputs.length; n--;) {
if (!inputs[n].value.length) t.push(inputs[n]);
}
var r = t.length;
var i = inputs.length;
var s = document.querySelectorAll(".top");
for (var o = s.length; o--;) {
s[o].style.width = 100 - r / i * 100 + "%";
}
}
var forms = document.querySelectorAll(".form"),
inputs = [];
for (var i = forms.length; i--;) {
var els = forms[i].querySelectorAll("input, textarea, select");
for (var j = els.length; j--;) {
if (els[j].type != "button" && els[j].type != "submit") {
inputs.push(els[j]);
els[j].addEventListener("input", cback, false);
}
}
}
}
function sections(){
function cback(e) {
var t = [];
for (var n = inputs.length; n--;) {
if (!inputs[n].value.length) t.push(inputs[n]);
}
var r = t.length;
var i = inputs.length;
var s = document.querySelectorAll(".top");
for (var o = s.length; o--;) {
s[o].style.width = 100 - r / i * 100 + "%";
}
}
var forms = document.querySelectorAll(".form"),
inputs = [];
for (var i = forms.length; i--;) {
var els = forms[i].querySelectorAll("input, textarea, select");
for (var j = els.length; j--;) {
if (els[j].type != "button" && els[j].type != "submit") {
inputs.push(els[j]);
els[j].addEventListener("input", cback, false);
}
}
}
function generateCSSGradient(colours) {
var l = colours.length, i;
for( i=0; i<l; i++) colours[i] = colours[i].join(" ");
return "linear-gradient( to right, "+colours.join(", ")+")";
}
//Edit your colors here. Enter the color twice.
var cols = [
["#1ABC9C","0%"],
["#1ABC9C","33.3%"],
["#EC7063","33.3%"],
["#EC7063","66.6%"],
["#3498DB","66.6%"],
["#3498DB","100%"]
];
document.getElementsByClassName('top').innerHTML = '<div class="colors"></div>';
document.querySelector(".colors").style.background = generateCSSGradient(cols);
var window_width = window.innerWidth + "px";
document.querySelector(".colors").style.width = window_width;
};