add strings together javascript

This article describes how to use the split function to split strings by multiple characters in JavaScript. The example shows how to use the split function, which is of great practical value, for more information about how to use the split function to separate strings, see the example in this article. Share it with you for your reference. The specific analysis is

This article mainly introduces how javascript automatically generates random strings containing numbers and characters, involving Math. random () and Math. the usage skills of floor () functions. if you need them, refer to the examples in this article to illustrate how javascript automatically generates random strings

Describes how to use the lastIndexOf () method for arrays and strings in JavaScript, And the JavaScript string lastindexof Array. prototype. lastIndexOf and String. prototype. lastIndexOf are very practical methods. However, many people do not know that they can actually pass two parameters. The second parameter determines the start position of the Search: Syntax

Array (n + 1 );Return arr. join (str );}// Output://------- Using n + 1 Array elements to generate n gaps and concatenate the target string, we can obtain the string repetition function.Extend the prototype of String to apply the method to all strings. JavaScript Object Inheritance and Method Searching are based on prototype chain. All strings used can be said t

JavaScript removes leading and trailing spaces from the string, and javascript strings Compile the JavaScript function trim () to remove spaces before and after the String. In this function, use the replace () method of the String object to remove spaces at the beginning and end of the String. The key code for the tri

This article describes how to convert Javascript values and strings in different hexadecimal formats. If you want to convert Javascript values and strings, you can perform different hexadecimal operations. The conversion example is as follows: The Code is as follows: Convert the incoming value and string

This article mainly introduces how to use JavaScript to find strings in different order in arrays. This article uses two methods to solve this algorithm problem. If you need it, refer to the following requirements: find the array elements of a string in different order from a group of arrays. Suppose there is an array like this: The Code is as follows: ['Abc', 'Hello', 'bdca', 'olleh', 'cadb', 'nba ', 'a

There are many methods for comparing strings in js. In this article, we will introduce you to a method that can be seen from a foreign website. For more information, see, I hope to help you learn about js. I have read a lot online, for example, =. equals none The method was discovered by foreign websites. Http://stackoverflow.com/questions/2167602/optimum-way-to-compare-strings-in-

This article mainly introduces the implementation of JavaScript to store HTML strings. For more information about how to use PHP, see The Code is as follows: Function. prototype. heredoc = function (){// Use function annotations to store strings without escaping.Var _ str = this. toString (),S_pos = _ str. indexOf ("/*") + 2,E_pos = _ str. lastIndexOf ("*/")

This article mainly introduces how to use JavaScript to compare whether two strings separated by the specified separator are the same. The code in this article is written for special needs, for more information, see File: diff. js // Example usage/* var str1 = "tie, mao, 55"; var str2 = "tie, mao, csdn"; var result = diff (str1, str2 ,', '); // object var rs = "" + result; // "55, csdn" var df1 = result.

Use of the fontcolor () method for processing strings in JavaScript and javascript string processing This method will result in a flag that is displayed in the specified color Syntax String. fontcolor (color) The following is the detailed information about the parameters: Color: The color represented by a string is hexadecimal RGB ternary or used as a stri

.// Var strnodesstrap xmlstrdoc.doc umentElement. childNodes;// Alert (strNodes. item (0). childNodes. item (0). childNodes. item (0). text); // 0.5 million is displayed// Alert (strNodes. item (0). childNodes. item (1). childNodes. item (0). text); // A6.// Firefox parses xml strings// Firefox and ie use textContent to parse different xml node values.// And it will add the "\ n" line break before and after

This article mainly introduces javascript to remove all punctuation marks in strings and extract the regular expressions of plain text. For more information, see use regular expressions to remove all punctuation marks in strings. The Code is as follows:

The value obtained when js reads text box or other form data is of the string type. For example, if the value of a is 11 for two text boxes a and B, the value of B is 9, so. the value must be smaller than B. value, because they are all strings. I found an article about converting JavaScript strings to numbers on the Internet. There are mainly three methods for th

This article describes how to remove duplicate values from JavaScript arrays and strings, and Filter Arrays and strings using various restrictions, if you need a friend, you can refer to the following principle to make the code very clear. Let's look at the code example: var ages = array.map(function(obj) { return obj.age; }); ages = ages.filter(function(v,i)

Array (n + 1 );Return arr. join (str );}// Output://------- Using n + 1 Array elements to generate n gaps and concatenate the target string, we can obtain the string repetition function.Extend the prototype of String to apply the method to all strings. JavaScript Object Inheritance and Method Searching are based on prototype chain. All strings used can be said t

JavaScript code will surely be used as a space. In the next article, we will introduce in detail how to remove spaces on the left and right sides of the string respectively, if you are interested, you can refer to the following strings to separate the front and back, left and right Spaces The Code is as follows: String. prototype. trim = function () {return this. replace (/^ \ s + | \ s + $/g ,"")}Str

I have issued a lot of code to remove spaces from strings, but they all remove the beginning and end. The following code can remove the middle. Javascript trim space removal function implementation code Http://www.jb51.net/article/16250.htm The following is the enhanced version The Code is as follows: // Function: 1) Remove all spaces before and after the string// 2) Remove all spaces in the string

This article describes how to use JavaScript to calculate the most frequently occurring characters and the number of occurrences of strings. This article provides the implementation code, for more information, see "calculate the maximum number of characters that appear in a string. How many times are there?" Seeing this demand, I think most people should first think of converting it into an array and the

This article mainly introduces the techniques for intercepting and cutting strings by using JavaScript. For more information, see the section on string cutting and intercepting, which may not be used in many cases, therefore, self-check is provided. Be prepared. Since all of the previous tests were conducted in a demo, we apologize for any errors. Some other attributes can be added later. 1. function: spl