This JavaScript tutorial explains how to use the string method called concat() with syntax and examples. In JavaScript, concat() is a string method that is used to concatenate strings together.
console.log(joinedString); // Output: JavaScript is fun. Run Code concat() Syntax The syntax of the concat() method is: str.concat(str1, ..., strN) Here, str is a string. concat() Parameters The concat() method takes in an arbitrary number of strings to concatenate to str. conc...
JavaScript Strings In JavaScript, a string is a primitive data type that is used for textual data. JavaScript string must be enclosed in single quotes, double quotes, or backticks. The followings are string literals in JavaScript. Example: String literals...
目录1.CONCAT()2.CONCAT_WS()3.GROUP_CONCAT() 1. CONCAT() API: 代码语言:javascript 复制 CONCAT(str1,str2,...) Desc: Returns the string that results from concatenating the arguments. May have one or more arguments. If all arguments are nonbinary strings, the result is a nonbinary ...
In this example, the JavaScriptconcat()method combines multiple strings and returns the concatenated four strings in a new array -resultString. constbaseString="Welcome";//compulsory stringconststring_1=" ";conststring_2="to";conststring_3=" Hello World!";constresultString=baseString.concat(string...
Concatenate strings and numbers: constarr1 = ["Cecilie","Lone"]; constarr2 = [1,2,3]; constarr3 = arr1.concat(arr2); Try it Yourself » Concatenate nested arrays: constarr1 = [1,2, [3,4]]; constarr2 = [[5,6],7,8]; ...
Button A would be the default text and Button B would fill in the text from a textbox. I am updating a form that requires statements in a text block. Before I had the full statement and put a "___" and just overlayed 2 text inputs. The radio buttons would ju...
JavaScript, JScript Python VBScript DelphiScript C++Script, C#ScriptCopy Code function ConcatenationStrings() { var Str1 = "String No 1 "; // Posts the "String No 1 String No 2" string to the test log Log.Message( aqString.Concat(Str1, "String No 2") ); // Posts the "String No...
In this example, the concat() method will return a new array of 4 elements consisting of the strings "Tech", "On", "The", and "Net". Concatenating Values to the Array The concat() method can also concatenate values to an array. For example: var totn_array = ['Tech','On','The...
b. Primitive Datatypes: In case of primitive datatypes such as strings, numbers and booleans, theconcat()method copies their values in resulting arrays. Contents Concatenating Arrays Concatenating Values to Array Concatenating Arrays of Objects