In JavaScript, the syntax for the concat() method is: string.concat(value1, value2, ... value_n); Parameters or Arguments value1, value2, ... value_n The values to concatenate to the end ofstring. Returns The concat() method returns a new string that results from concatenating the ...
This JavaScript tutorial explains how to use the Array method called concat() with syntax and examples. In JavaScript, concat() is an Array method that is used to concatenate two or more arrays into a new array.
The join() Method The slice() Method The splice() Method The copyWithin() Method Syntax array1.concat(array2,array3, ...,arrayX) Parameters ParameterDescription array1,...Required. The array(s) to be concatenated. Return Value TypeDescription ...
JavaScript concat() method example on multiple arrays h1 {color:red} JavaScript : concat() method JS Code var array1=new Array(2); array1[0] = "Fruits"; array1[1] = "Color"; var array2=new Array(2); array2[0] = "Orange"; array2[1] = "Apple"; var array3=new A...
Theconcat()method concatenates a string argument to the calling string and returns a new string. In the examples below, we will take two strings and combine them using theconcat()method. Here's the full code: Node.js Copy conststr1="Taco"conststr2="Bell"constnewString=str1.concat(str2...
original Array plus the concatenated values. If Array1 contains "AAA", "BBB", "CCC" and Array2 contains "000", "111", "222", then the method call Array1.concat(Array2) will return an array with all the elements in a single collection. The original arrays will be untouched. */ ...
是指在JavaScript编程语言中使用for循环和Concat函数来合并字符串的操作。具体解释如下: 1. for循环:for循环是一种控制流语句,用于重复执行特定的代码块。它由三个部分组成:初始...
JS Array Concatenation concat() method joins multiple arrays, and return the combined array. 1 2 3 4 5 var arr1 = [4,2,8]; var arr2 = new Array(5,3,3); var arr3 = [100,500]; var newarr = arr1.concat(arr2,arr3); //newarr is [4,2,8,5,3,3,100,500] The ...
The object that this method is acting upon. args Object[] The arguments to append tothisob. Returns String A string representation ofthisob, withargsappended. Attributes JSFunctionAttribute Applies to ПродуктВерсії .NET Framework1.1, 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5...
Test1 t1 = new Test1(); Test2 t2 = new Test2(); int i = 16; string s = "Demonstration"; // Place the objects in an array. object [] o = { t1, i, t2, s }; // Concatenate the objects together as a string. To do this, // the ToString method of each of the objects is...