格式:.attr(attributeName),返回值类型:String.读取不存在的属性会返回undefined. 注意选择器的选择结果可能是一个集合,这里仅仅获取的是集合中第一个元素的该属性值. 看例子: <!DOCTYPE html>$(document).ready(function() { $("button").click(function() { alert($("p").attr("title"));//获取属性//...
格式:.attr(attributeName),返回值类型:String.读取不存在的属性会返回undefined. 注意选择器的选择结果可能是一个集合,这里仅仅获取的是集合中第一个元素的该属性值. 看例子: <!DOCTYPE html>$(document).ready(function() { $("button").click(function() { alert($("p").attr("title"));//获取属性//...
// don't get/set attributes on text, comment and attribute nodes if (!elem || nType === 3 || nType === 8 || nType === 2) { return; } // Fallback to prop when attributes are not supported if (typeof elem.getAttribute === strundefined) { return jQuery.prop(elem, name, ...
Returns: jQuery Description: Remove an attribute from each element in the set of matched elements. version added: 1.0.removeAttr( attributeName ) attributeName Type: String An attribute to remove; as of version 1.7, it can be a space-separated list of attributes. The .removeAttr() ...
❮ jQuery HTML/CSS MethodsExampleRemove the style attribute from all elements:$("button").click(function(){ $("p").removeAttr("style"); }); Try it Yourself » Definition and UsageThe removeAttr() method removes one or more attributes from the selected elements.Syntax...
操作元素的class列表和内联样式和内联样式是数据绑定的一个常见需求。因为它们都是attribute,所以我们可以用v-bind处理:通过表达式计算出字符串结果。 对象语法: 传给v-bind:class一个对象,以动态切换class: 1. 语法表示 active 这个 class 存在与否将取决于数据...
removeAttribute()我知道可以删除标签上的属性,但是通过JavaScript给input标签添加checked的属性后,再调用removeAttribute()方法,为什么删除不了?有没有大佬帮忙解释一下? removeAttribute() var input = document.getElementById('input'); input.checked=true; input.removeAttribute('checked'); //结果这个checked固有...
Attributes|Manipulation>Class Attribute|CSS .toggleClass() Add or remove one or more classes from each element in the set of matched elements, depending on either the class’s presence or the value of the state argument.
removeAttr has special handing for boolean attributes to set the corresponding DOM property to false: https://github.com/jquery/jquery/blob/master/src/attributes/attr.js#L86 Removing an attribute and setting the DOM property to false are very different. In this case, as specified ( http://...
问在.remove之后，仍然显示jquery aTooltipEN额，标题很长，但不得不这样写。 很多人可能碰到和我一...