dns prop

First look at the explanations of the three methods: attr (), this method has been in existence since jq1.0, the official document writes the function is reads/writes the DOM the attribute value, actually before 1.6 sometimes is attribute, sometimes is the property.. Prop (), this method jq1.6 introduces, reads/writes the DOM's property.. Data (), introduced in jq1.2.3, is used to read/store arbitrary values on the JQ object corresponding to the DOM

It is usually better to use prop when getting or setting checked,selected,readonly,disabled, etc.Attr is set by Setatrribute and GetAttribute, using the DOM attribute node, and prop is set by document.getElementById (EL) [Name] = value, is a property that is converted to a JS object.Generally if the label itself is the property of the checked,selected,readonly,disabled, etc., we use the

When you make a check box full selection button, there is a problem, using the statement $.attr (' checked ', true) to change the check box properties to be selected, in the Chrome browser, the first click Effective after the failure, IE8 is no problem. Baidu for a long time to find the reason is that the attributes of HTML is divided into attribute and property, the latter referred to as characteristics. The checked attribute is divided into attribute->checked, and Property->true,false. For

Compared to the Attr,prop is 1.6.1 new, both from the Chinese meaning of understanding, are to get/set properties of the method (attributes and properties). Only the. attr () method used in window or document does not work well before jQuery1.6 because attributes is not available in window and document. Prop was born. Before looking at the online comparison between the two articles, but also lists a table t

Recently, in the process of doing a project encountered such a problem: in the process of using the bootstrap modal box, there is a checkbox in the Modal box, initially selected, when the Trigger modal box button is clicked, when Chcekbox is selected, a tick is displayed, This time the selected state is cached, then click the Close button in the Modal box, click the Trigger Modal Box button again to pop up the modal box, this time the problem arises: The checkbox tag already has checked=checked

as a front-end developer of the Poly media, jquery is often used, but there are a few minor problems when it comes to using function development in jquery , and today we're going to talk about The use of some similar but different functions in jQuery. The following is an example of attr () and prop () for detailed analysis. Obviously,"attr" and "prop" are the words "attribute" and "property" respectively

Differences between attr and prop in jquery-check box selection status, jqueryattr In recent projects, you need to use jquery to determine whether the checkbox in the input is selected. It is found that the status of the check box changed cannot be obtained using attr (). Finally, it is found that prop () is added after jQuery 1.6 () method: The difference between attributes and properties can be important

Disabled of prop attr in jquery I have encountered problems with prop attr in checkBox before, so I was more cautious with using attr later. However, I encountered another problem when I recently used prop, as described below:Scenario Description: this function can be used only when the transfer-out button is checked. Otherwise, it is in the gray-disabled state

This article mainly introduces the attr and prop of jquery in the analysis of the relevant information, the need for friends can refer to the followingWhen should I use prop after the introduction of the prop method in the high version of jquery? When do you use attr? What's the difference between the two of them? These problems have arisen.There are a lot of ans

Jquery1.6 adds a method prop (), which has never been used. The official explanation is only one sentence: Get the attribute value of the first element in the matched element set. We all know that some browsers only need to write disabled and checked, while some need to write disabled = "disabled", checked = "checked", such as attr ("checked ") you can obtain the value when you select the checked attribute of the checkbox. The value is "checked", but

Difference between prop () and attr () Functions Differences between prop () and attr () functions:Both functions can obtain or set the attribute values of the specified element. The usage is not described here. For details, refer:For details about the prop () function, refer to the prop () method section of jQuery.For

After writing a few lines of code, ie8 can run normally, but chrome and ff won't work. The prop () method applies to the attribute of the Boolean value. To add the attribute name, this attribute will take effect and should be used. prop () is the difference between the two. Let's say that a few pieces of code can run normally on ie8, but chrome and ff won't work. My friends say this is RP, And it's depressi

[Jquery series] difference between prop and attr, jquerypropattr Problem description Because the translation of prop (property abbreviation) and attr (attribute abbreviation) into Chinese has the meaning of "characteristics, attributes", and so on, it is easy to confuse and clarify, in this article, we will try to distinguish them from each other in terms of English meaning, Chinese meaning, and Jquery mean

When should I use propafter the introduction of the prop method in the high version of jquery? When do you use attr? What's the difference between the two of them? These problems have arisen.There are a lot of answers on the internet about their two differences. Here to talk about my experience, my experience is very simple: For HTML elements that have intrinsic properties, use the prop method when

, depending on the check.So, you come across this workaround: Replace the attr () method with the prop () method1 /**2 * UPDATEPRODUCT.HTMLS Update product Information3 */4$ (document). On ("click", ". table-bordered tbody tr a[class= ' up ']",function(){5Product = $.parsejson ($ ( This). Parents (' tr '). Find ("input"). EQ (1). Val ());6$( This). Parents (' tr '). Find ("input[type= ' checkbox ']"). Prop