我正试图做一个草图悬停的应用程序。当光标悬停在网格正方形上时,正方形会填满当前拾取的颜色,当您将鼠标悬停在正方形上时,颜色会被移除。为什么我的清除按钮/悬停在改变颜色后工作?
最初的一切似乎工作。我可以将鼠标悬停在正方形上应用red color
,然后重新悬停以将其移除或按clear button
清除所有内容。但是当我改变颜色为例如,我无法通过悬停移除颜色,而clear button
也不起作用。这是为什么发生?
http://codepen.io/cgonen/full/zNQMMY/ < =指向悬停应用的链接。
$(function() {
grid()
clear()
createGrid()
hover()
colorpick()
})
function createGrid(size) {
$('.grid').empty()
size = 16;
width = 600/size;
for (var j = 0; j < size; j++) {
for (var i = 0; i < size; i++) {
$('.grid').append('<div class="vlak"></div>')
}
}
$('.vlak').css("width", width)
$('.vlak').css("height", width)
} // end
function grid() {
$('input').on('change', function() {
size = $('input').val();
createGrid(size)
})
}
function hover(c) {
$('.vlak').on('mouseenter', function(){
console.log(c)
if($(this).hasClass('color')) {
$(this).removeClass('color')
} else {
$(this).addClass('color');
$('.color').css('background-color', c)
}
})
}
function colorpick() {
$('select').on('change', function(){
var c = $(this).val()
$('.vlak').off()
hover(c)
})
}
function clear() {
$('button').on('click', function(){
$('.vlak').removeClass('color')
})
}
html {
box-sizing: border-box; }
*, *:before, *:after {
box-sizing: inherit; }
.clearfix:before,
.clearfix:after {
content: "";
display: block;
clear: both; }
.wrapper {
width: 600px;
margin: 0 auto; }
.grid {
box-sizing: content-box;
line-height: 0;
margin: 0;
padding: 0;
outline: 1px solid black; }
.vlak {
box-sizing: border-box;
float: left;
width: 50px;
height: 50px;
line-height: 0;
margin: 0;
padding: 0;
border: 1px solid black; }
.color {
background-color: red; }
.black {
background-color: black; }
.red {
background-color: red; }
.blue {
background-color: blue; }
.pink {
background-color: pink; }
.green {
background-color: green; }
.yellow {
background-color: yellow; }
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content = "width=device-width", initiat-scale="1.0">
<title>Document</title>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/normalize/5.0.0/normalize.min.css">
<link rel="stylesheet" href="styles/styles.css">
</head>
<body>
<div class="wrapper">
<div class="header">
<h1>HoverMatic</h1>
<p>General description placeholder</p>
<input type="number" value="16" placeholder="grid size">
<select name="colors" id="">
<option value="black">black</option>
<option value="blue">blue</option>
<option value="green">green</option>
<option value="pink">pink</option>
<option value="red">red</option>
<option value="yellow">yellow</option>
</select>
<button>clear grid</button>
</div>
<div class="grid clearfix"></div>
</div>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script>
<script src="scripts/main.js"></script>
</body>
请出示相关代码的问题 –
要是一个codepen但现在藏汉添加的代码段。 – Hyrule