what trim function

This article mainly introduces how to implement the trim function of a custom function that is incompatible with IE7 and IE8. it involves the skills of the trim function rewriting and regular expression matching, for more information about how to

Let different types of data display in different colorsIn the payroll, if you want to let the total wages of more than or equal to 2000 yuan be displayed in "Red", the total wage of more than or equal to 1500 yuan is shown in "Blue", the total wages

Php removes spaces at the beginning and end of a string. The following article summarizes several php program examples for removing spaces at the beginning and end of a string in Chinese and English. here, regular expression replacement and trim

Php deletes spaces on the left and right sides. php deletes spaces on the left side. Php deletes spaces on the left and right sides. This document describes how to delete spaces on the left and right sides of php. Share it with you for your

Phptrim () form verification is not a null instance. it should be an entry-level instance. it tells you how to use the trim function to delete spaces and determine whether the data submitted by the user is empty. & lt; html & gt; & lt; body &

In PHP, there are many string functions, such as to filter the string ending the space, and then find its length, the general wording is: Strlen (Trim ($STR)) If you want to implement a similar link in JS, such as the following should be how to

This article describes how to delete spaces in ltrim (), rtrim (), and trim () in php. describes the specific usage of ltrim (), rtrim (), and trim () in the form of instances, which has some reference value, for more information about how to delete

El expression in jsp The full name of EL is Expression Language. EL: Get data: EL expressions are mainly used to replace the script expressions on JSP pages to retrieve java objects and obtain data from various types of web domains. (An object in a

  Use constructors to create objectsA constructor is a function that calls it to demonstrate and initialize special types of objects. You can use the new keyword to call a constructor. The following is a new example of using constructors. VaR

Solution to the unavailability of javascript trim functions in IE This article analyzes the solutions that javascript trim functions cannot use in IE, and provides some reference for the web Front-end design. The specific analysis is as

Many languages have specialized functions or methods to delete spaces at the beginning and end of a string, such as chomp of Perl and strip of Python. Then JavaScript does not seem to have similar functions, which are not mentioned in some manuals.

People who know the data structure should have heard of the hash table data structure. It is a typical non-linear structure that uses key-value pairs to store and retrieve data, it is also called the hash or collection method. In a general linear

Copy codeThe Code is as follows:/** Copyright VeryIDE, 2007-2008* Http://www.veryide.com/** $ Id: veryide. library. js, v2.3 leilei $*/Function $ (obj) {return document. getElementById (obj );}Function $ N (obj) {return document. getElementsByName

-use = = = instead of = =the = = (or! =) operator automatically performs type conversions when needed. the = = = (or!==) operation does not perform any conversions. It compares values and types, and is considered better at speed than = =.--using

Understand eval () function in js and write a function trim () to remove spaces between the left and right strings.Trim () is a reference to the jquery source code, you can rest assured to use.My understanding of eval () functions in js is not

Strlen ("string");//Take the length of the string strcmp ("string", "string"); Determines whether two strings are the same, returns 0, differs by 1, and is case-sensitive strcasecmp ("string", "string"); Determine whether two strings are the same,

This article describes how to delete spaces on the left and right sides of php, involving ltrim (), rtrim (), trim (), and regular expression replacement, it is very practical. For more information, see This article describes how to delete spaces on

Recently, it has been plagued by php database queries. A typical example is to retrieve the innerhtml of an element on a web page. Although javascript can be used to easily retrieve the element, however, you cannot see whether there are null

We mentioned an EL expression in previous articles. What exactly is this EL expression? Why is it so useful? Let's take a look at the relevant content of EL expressions. Introduction to EL expressions: The full name of EL is Expression Language.

// Function Name: trim// Function Description: removes spaces at the beginning and end of a string.// Creation Date:// Last Modify By: N/// Last Modify Date: N/String. prototype. trim = function (){Return this. replace (/(^ \ s *) | (\ s * $)/g ,"");