return false

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

和有何区别？两者如何将表单提交给服务器的？望大神赐教 Reply content: 和有何区别？两者如何将表单提交给服务器的？望大神赐教 The former is obviously to use AJAX submissions, after all, you have directly disabled the browser default behavior, the latter is not certain, if you are fixed in the submit

1. Syntax and return mode ① return control and function results The syntax is: return expression; The execution of the statement result function, returning the calling function, and returning the value of the expression as a function result ② return

In the way of doing things, suddenly found JS inside can return,return false, completely do not know what meaning to find the data to tidy upYou can return FALSE if you want to cancel the object's default action.First in JS, we often use return

The return statement represents the need to return a value, and you do not need to use the return statement if you do not need it. are similar to an exit, return can end the execution of part of the code in the body of the method after return.

What is the function of return false in jQuey? jqueyfalse What is the function of return false in jQuey:Return false is used in many statements. for developers familiar with it, of course, it is a thorough understanding of the role of the statement.

Workaround for Unserialize return False in PHP, Unserializefalse In this article, we describe the solution of Unserialize return False in PHP, and share it for your reference. Here's how: PHP provides serialize (serialization) and Unserialize

This article mainly describes the use of return false in JavaScript, in most cases, returns false for the event handler function to prevent the default event behavior, and the friends you need can refer to the In most cases, return false for the

JS in return, return true, return false;Ext.: https://www.cnblogs.com/camikehuihui/p/7999537.htmlFirst, return control and function results,The syntax is: return expression, statement End Function execution, return call function, and the value of

1. Grammar and return mode ① return control and function results Syntax is: return expression; The execution of the statement result function, returning the calling function, and returning the value of the expression as a function result ②

Copy Code code as follows: /** * Form submission Verification **/ function OnSubmit () { if ($ (' #name '). Val (). lengthAlert ("Name please not less than two characters"); return false; } var t = new Date (). GetTime (); $.ajax ({

Have you ever seen those two things (in the title) being used in JQuery? Here's a simple example: Copy Code code as follows: $ ("a"). Click (function () { $ (' body '). Append ($ (this). attr ("href")); return false; }

First, return control and function results,The syntax is: return expression, statement End Function execution, return call function, and the value of the expression as the result of the functionSecond, return control,No function result, the syntax

Copy codeThe Code is as follows:/*** Form submission Verification**/Function onSubmit (){If ($ ('# name'). val (). length Alert ("the name must be at least two Chinese characters ");Return false;}Var t = new Date (). getTime ();$. Ajax ({Type: "POST

Have you ever seen those two things (in the title) being used in jQuery? Here is a simple example:Copy codeThe Code is as follows:$ ("A"). click (function (){$ ("Body"). append ($ (this). attr ("href "));Return false;} That code wocould append the

First, return control and function results,The syntax is: return expression, statement End Function execution, return call function, and the value of the expression as the result of the functionSecond, return control,No function result, the syntax

Have you ever seen those two things (in the title) being used in jquery? Here is a simple example: CopyCode The Code is as follows: $ ("A"). Click (function (){ $ ("Body"). append ($ (this). ATTR ("href ")); Return false; } That code wocould

First on the page there is a We bind the following event for it Copy Code code as follows: Test.onkeydown = function () { return false; } Test.onkeyup = function () { return false; } test.onkeypress = function ()

Return false to prevent form submission or execution of the following code. In general, it is to prevent execution of the default behavior. Return false is only valid for the current function and does not affect the execution of other external

First, there is a We bind the following events to it:Copy codeThe Code is as follows:Test. onkeydown = function (){Return false;}Test. onkeyup = function (){Return false;}Test. onkeypress = function (){Return false;} We comment out two events