return false

In most cases, false is returned for the event handler to prevent the default event behavior. For example, by clicking on a element by default, the page jumps to the page specified by the href attribute of the element.Return False equals the

Perhaps the first example you'll see when you first start learning about jquery event processing is how to prevent the browser from performing the default behavior, such as the following code that demonstrates the Click event: Copy Code code

return false prevents forms from being submitted today this problem has plagued me for a long time, looking for a lot of information on the Internet, basically about Onsubmit=return false has the following points to note: 1. Return returns the

"Return false" was misused so badly because it looked like it was done with the work we gave it, the browser would no longer redirect us to the link in the href, and the form would not be submitted, but what was wrong with that?Perhaps the first

Return false: Blocking form submission does not work. Today, this problem has plagued me for a long time. I have found a lot of information on the Internet. Basically, the following points should be noted about onsubmit = return false: 1. For the

Return false: the form cannot be submitted. This problem has plagued me for a long time. I have found a lot of information on the Internet. Basically, the following points should be noted about onsubmit = return false:1. For the return value problem,

In most cases, false is returned for the event handler to prevent the default event behavior. For example, by clicking on a element by default, the page jumps to the page specified by the href attribute of the element.Return False equals the

Main content: Differences Code demo differences Suggestions   1. Differences In normal coding, the [return false;] statement is often used in JavaScript to prevent the event from being passed up. In fact, the [return false;] statement contains

Return false in js;, returnfalse in js In general, return false is used to prevent the default action of the event. 1, Function check () {if (form. title. value = "") {alert ("Enter the article title! "); Return false; // note that return (false)

Resources: 1, JS in the Preventdefault and stoppropagation detailed 3, about JS return false, Event.preventdefault () and Event.stoppropagation () one, preventdefault () to prevent default event execution Baidu Second, stoppropagation (

The setupdienumdeviceinterfaces function enumerates the device interfaces that is contained in a device Informat Ion set.BOOL setupdienumdeviceinterfaces ( _in_ hdevinfo deviceinfoset, _in_opt_ psp_devinfo_data DeviceInfoData, _in_ Const GUID

Because there is a parent, the child node is the same, because there are listening events and the browser default action points. It is often necessary to prevent events and actions from executing when using JavaScript in order to achieve the desired

The usage and difference between return, return true, return false in javascript. 1. syntax and Return Method ① Return control and function results Syntax: return expression; Statement result function execution, return the call function, and return

Article Author: TyanBlog: noahsnail.com |  CSDN | Jane book 1. The return value of JavaScript The return values in JavaScript are grouped into four categories: Return return false; return true; return variable (variable); These four return values

What is the function of return false in Jquey:In the numerous statements have the use of return false, of course, for the developers familiar with it, of course, know everything, know the role of this statement, of course, know when to use this

In most cases, false is returned for the event handler to prevent the default event behavior. For example, by clicking on a element by default, the page jumps to the page specified by the href attribute of the element.Return False equals the

Because there is a parent, the child node is the same, because there are listening events and the browser default action points. It is often necessary to prevent events and actions from executing when using JavaScript in order to achieve the desired

Preventdefault:Preventdefault It is a method of event object that cancels the default behavior of a target element. Since the default behavior is, of course, the element must have the default behavior to be canceled, and if the element itself has no

Transferred from: http://wyqbailey.diandian.com/post/2012-07-12/40030551971return FalseIn jquery, we often use return false to block the browser's default behavior, what does "return false" actually do?When you call "return false" every time, it

Because there is a parent, the child node is the same, because there are listening events and the browser default action points. It is often necessary to prevent events and actions from executing when using JavaScript in order to achieve the desired