jQuery中prop和attr的区别 HTML5学堂:本文介绍了prop和attr的区别。jQuery中有这么两个东西 —— attr()与prop(),很多开发者在使用时,经常容易混淆,今天HTML5学堂小编-其其就带你一起看看attr和prop方法。 jQuery文档中,attr和prop的参数都是一样的,而这两个东西都被认为是属性,那么他们之间到底有什么区别呢?...
The difference betweenattributesandpropertiescan be important in specific situations.Before jQuery 1.6, the.attr()method sometimes took property values into account when retrieving some attributes, which could cause inconsistent behavior.As of jQuery 1.6, the.prop()method provides a way to explicitly re...
1百度主页 在上面这个例子中,href、target、class、id这些dom属性,是a元素本身就具有的。也是W3C里本身就包含的几个属性,换句话说是IDE中能够自动提示的属性,这些属性就被称为dom元素的固有属性,这种情况下,我建议使用prop方法。 2.我们经常会使用a标签进行触发自定义事件 代码语言:javascript 代码运行次数:0 运行 ...
❮ jQuery HTML/CSS Methods Example Set the width attribute of an image: $("button").click(function(){ $("img").attr("width","500"); }); Try it Yourself » Definition and Usage The attr() method sets or returns attributes and values of the selected elements. ...
因为在 jQuery 1.6 之前,使用 attr() 有时候会出现不一致的行为。 那么,什么时候使用attr(),什么时候使用prop()? To retrieveandchange DOM properties suchasthe checked, selected,ordisabled state of form elements,usethe.prop()method. 根据官方的建议:具有 true 和 false 两个属性的属性,如 checked, sele...
Get the value of an attribute for the first element in the set of matched elements or set one or more attributes for every matched element. 然后官方还特别注明了 As of jQuery 1.6, the .attr() method returns undefined for attributes that have not been set.To retrieve and change DOM properti...
JQuery Attr is not function, The correct method is .attr(name, value). You can also use .prop() method to retrieve and change DOM properties such as the checked, selected, or … JQuery attr() is not function, how to turn it in an object?
Before jQuery 1.6, the .attr() method sometimes took property values into account when retrieving some attributes, which could cause inconsistent behavior. 1. 因为在 jQuery 1.6 之前,使用 attr() 有时候会出现不一致的行为。 那么,什么时候使用attr(),什么时候使用prop()?
for a checkbox (jquery 1.6+) .attr('checked') //returns checked .prop('checked') //returns true .is(':checked') //returns true Prop() method returns Boolean value for checked, selected, disabled, readOnly..and so on while attr returns defined string. So, you can directly use .prop...
for a checkbox (jquery 1.6+) .attr('checked') //returns checked .prop('checked') //returns true .is(':checked') //returns true Prop() method returns Boolean value for checked, selected, disabled, readOnly..and so on while attr returns defined string. So, you can directly use .prop...