How TO - Get The Length of a String❮ Previous Next ❯ Learn how to find the length of a string in JavaScript.String LengthThe length property returns the length of a string:Example var txt = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";var len = txt.length; Try it Yourself » ...
The string.length is a JavaScript attribute that is used to find the length of a string. Examples of javascript string length are given below: Example #1 – Finding the Length of a String Code: <!DOCTYPE html> Demonstrating the length property usage for strings. Display Length function...
functionfindLongestWord(str){// 第1步:将传给str的值"May the force be with you"转换成数组vararray= str.split(' ');// 得到数组 ["May", "the", "force", "be", "with", "you"]varlongest =0;// 第2步:对数组array做遍历,并且将符合条件的值赋值给longestfor(vari =0; i <array.leng...
To find the length of a string, you can use the built-in length property. For example, let message = "hello"; console.log(message.length); // Output: 5 Run Code Insert a quote inside another quote. You can write a quote inside another quote. However, the quote should not match ...
str.length; Where, str can either be string or array. It cannot be an integer or float number. Hence, to find the length of a given number, first, we need to convert the given number to a string and then apply the .length property. For doing this, we will use the toString() ...
indexOf() 方法可返回某个指定的字符串值在字符串中首次出现的位置。 语法 stringObject.indexOf(searchvalue,fromindex) 参数 描述 searchvalue 必需。规定需检索的字符串值。 fromindex 可选的整数参数。规定在字符串中开始检索的位置。它的合法取值是 0 到 stringObject.length - 1。如省略该参数,则将从字符串...
String Length To find the length of a string, use the built-inlengthproperty: Example lettext ="ABCDEFGHIJKLMNOPQRSTUVWXYZ"; letlength = text.length; Try it Yourself » Escape Characters Because strings must be written within quotes, JavaScript will misunderstand this string: ...
You can get the number of digits in a JavaScript number in the following ways: Converting to String and Checking the length;
// returns the number of characters in 'JavaScript'letlen = string1.length; console.log(len); Run Code Output 10 In the above example, we have defined a string namedstring1. We have then used thelengthproperty to find out the number of characters instring1. ...
Write a JavaScript program to find the longest string from a given array of strings.Visual Presentation:Sample Solution: JavaScript Code:// Function to find the longest string(s) in an array function longest_string(str_ara) { var max = str_ara[0].length; // Initialize max length with ...