我有一个这样的列表:
<ul class="list">
<li class="list-element ">
<a href="#"><a>
</li>
</ul>
<button onclick="changeColour()"></button>
<script src="js/index.js"></script>
我的链接的CSS是:
ul li a {
color: red
{
如何更改链接的颜色?我知道你可以这样做:
function changeColour() {
var div = document.getElementsByTagName("ul");
div.style.changeColour = "rgb(0, 212, 177)";
}
但我不知道列表中列表项内的链接如何。
答案 0 :(得分:2)
您可以使用css
进行更改。您的css
是正确的,但在;
之后您错过了red
。你也可以使用javascript或者你可以使用它们,如果你想给它一个颜色然后在运行时更改它。对于您的javascript代码,您忘记添加集合的索引...
document.getElementsByTagName('a')[0].style.color='orange';
注意:我用[0]定位第一个锚点。通过集合定位所有锚点循环。
喜欢这个
function changeColour() {
var div = document.getElementsByTagName("a");
for(var i = 0; i < div.length; i++){
div[i].style.color = "rgb(111, 112, 112)";
}
}
changeColour();
ul li a {
color: red;
{
<ul class="list">
<li class="list-element ">
<a href="#">link 1<a>
</li>
<li class="list-element ">
<a href="#">link 2<a>
</li>
</ul>
答案 1 :(得分:2)
尝试document.querySelectorAll
:
let links = document.querySelectorAll("ul.list li.list-element a");
for (let link of links) {
link.style.color = "rgb(0, 212, 177)";
}
&#13;
ul li a {
color: red
{
&#13;
<ul class="list">
<li class="list-element">
<a href="">LINK 1</a>
</li>
<li class="list-element">
<a href="#">LINK 2</a>
</li>
</ul>
&#13;
答案 2 :(得分:0)
<强> HTML 强>
<ul class="list">
<li class="list-element ">
<a href="#">link 1<a>
</li>
<li class="list-element ">
<a href="#">link 2<a>
</li>
</ul>
<强>脚本强>
$('.list').each(function(){
$(this).find('li a').css('color','rgb(111, 112, 112)');
});
答案 3 :(得分:0)
以下是Jquery模型,以防您正在寻找
// Jquery model if you want to use
$(document).ready(function(){
$('#change').click(function(){
var color=["blue","red","yellow","black","pink","green"];
var prompts = prompt("please type your valid color");
// checking if entered colored is registered
for(x in color){
if(color[x] ==prompts){
//registered then set its value as color
$("a").css({"color":prompts});
return ;
}
}
// deal with unregistered color
var conf = confirm('not registered color entered , do you want to set the default color?');
if(conf ==true ){
$("a").css({"color":"black"});
}
});
});
&#13;
ul li a {
color: red;
{
&#13;
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<ul class="list">
<li class="list-element ">
<a href="#">link 1</a>
</li>
<li class="list-element ">
<a href="#">link 2</a>
</li>
</ul>
<p id='change'> please click here to change link color </p>
&#13;