1.通过id获取 document.getElementById(“id”) 2.通过name获取 document.getElementsByName(“Name”) 返回的是list 3.通过标签名选取元素 document.getElementsByTagName(“tag”) 4.通过CLASS类选取元素 document.getElementsByClassName(“class”) 兼容性:IE8及其以下版本的浏览器未实现getElementsByClassName方法 5....
下面对getElementById,getElementsByTagName,getElementsByClassName, querySelectorAll 进行调整。 //在getElementById(XXX)在IE中有bug,它会找第一个属性name或id等于XXX的元素, //尤其是在表单元素中,它们通常都带有name属性 (function(){ // We're going to inject a fake input element with a specified na...
// 通过 id 获取vardiv1=document.getElementById('div1')// 元素// 通过 tagname 获取vardivList=document.getElementsByTagName('div')// 集合console.log(divList.length)console.log(divList[0])// 通过 class 获取varcontainerList=document.getElementsByClassName('container')// 集合varparentDOM=document...
class selector Description:Selects all elements with the given class. version added:1.0jQuery( ".class" ) class:A class to search for. An element can have multiple classes; only one of them must match. For class selectors, jQuery uses JavaScript's nativegetElementsByClassName()function if the...
var arr = jQuery.makeArray(document.getElementsByTagName("div")); arr.reverse(); // use an Array method on list of dom elements $(arr).appendTo(document.body); jQuery.map( array, callback ) 使用某个方法修改一个数组中的项,然后返回一个新的数组 ...
Traversing:add(expr)add(html)add(elements)children(expr)contains(str)end()filter(expression)filter(filter)find(expr)is(expr)next(expr)not(el)not(expr)not(elems)parent(expr)parents(expr)prev(expr)siblings(expr) Core: $(html).appendTo(”body”) 相当于在body中写了一段html代码 $(elems) 获得...
.val() –Get or set the value of form elements. Changing things about elements is trivial, but remember that the change will affect all elements in the selection. If you just want to change one element, be sure to specify that in the selection before calling a setter method. 1 2 //...
.class: find elements by class name, e.g. .masthead [attribute]: elements with attribute, e.g. [href] [^attr]: elements with an attribute name prefix, e.g. [^data-] finds elements with HTML5 dataset attributes [attr=value]: elements with attribute value, e.g. [width=500] (also ...
add(elements) children(expr) contains(str) end() filter(expression) filter(filter) find(expr) is(expr) next(expr) not(el) not(expr) not(elems) parent(expr) parents(expr) prev(expr) siblings(expr) Core: $(html).appendTo(”body”) 相当于在body中写了一段html代码 ...
getTime()parseHTML将字符串解析到一个DOM节点的数组中。// jQuery $.parseHTML(string) // Native function parseHTML(string) { const context = document.implementation.createHTMLDocument() // Set the base href for the created document so any parsed elements with URLs // are based on the ...