请通过执行<toggleClass(功能(n)
$(document).ready(function(){
$("button").click(function(){
$("li").toggleClass(function(n){
return "listitem_" + n;
});
});
请通过执行<toggleClass(功能(n)
$(document).ready(function(){
$("button").click(function(){
$("li").toggleClass(function(n){
return "listitem_" + n;
});
});
它等到所有超文本元素都能从OMS获得,这对于可靠地发现网页上的内容是必要的。 这通常意味着第一页的超文本必须装上(但不一定是图像)。 (Documentation for .ready
)
功能受所有<代码>丁顿<>代码/代码>在 but被点击时运行的内容的约束。 (>>>>.click/code>
因此,纽伦作为“角移转”行事,最有可能将清单项目转换为两个视力不同的外表(由特别安全局编码网页界定)。
核对意见
// when dom is loaded
$(document).ready(function(){
// on somebody clicks a button element
$("button").click(function(){
// change the class of li elements in the page
$("li").toggleClass(function(n){
// with a value depending on the number of li element in
// the array of li elements
return "listitem_" + n;
});
});
如果有的话,将添加从<代码>至ggleClass规定的功能中退还的类别,如果确实存在,则予以删除。
<>代码>n para amount is the index of the content in the node list, so the first content will have a category of list_0"
, and so on...
when the element with the ID "button" is clicked The class listitem_[0-9] is added or removed from any li element depending on if it does or does not already have that class.
$(document).ready(function(){ // document load, ready to execute code
$("button").click(function(){ // when all html elements that have a tag named button is clicked
$("li").toggleClass(function(n){ // change the class of all li elements in the page to the "listitem_" + the number of li elements on the page
return "listitem_" + n;
});
});
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