const isWordPresent = words.some(word => word.includes(wordToFind)); console.log(`The word "${wordToFind}" is ${isWordPresent ? 'present' : 'absent'} in the sentence.`); 4.空字符串检查:includes()认为空字符串是任何字符串(包括空字符串自身)的有效子字符串,因此对空字符串的检查总是返...
log(`The word "${wordToFind}" is ${isWordPresent ? 'present' : 'absent'} in the sentence.`); 4.空字符串检查:includes() 认为空字符串是任何字符串(包括空字符串自身)的有效子字符串,因此对空字符串的检查总是返回 true。在检查字符串是否为空时,直接使用 str.length === 0 更为直观。 con...
JavaScript String includes()用法及代码示例 JavaScript |字符串 includes() 方法 JavaScript 中的 String.includes() 方法用于检查字符串中是否存在该字符。如果字符串中存在字符,则该方法返回 True,否则返回 False。 该方法以不同的方式处理大写和小写字符。 用法: String.includes(search_character, startindex); 参...
JavaScript String includes() Method: Here, we are going to learn about the includes() method of the string in JavaScript with Example.
For example: If container1 is [3, 5, 7, 9] and container2 is [5, 9] then container1 includes container2 and thus the include function will return true; But if the container was [9, 5] it would have retuned false because when 9 is found the range is already covered in container...
Example 1: Using includes() method letlanguages = ["JavaScript","Java","C","C++"]; // checking whether the array contains 'C'letcheck1 = languages.includes("C"); console.log(check1);// true // checking whether the array contains 'Ruby'letcheck2 = languages.includes("Ruby"); ...
JavaScript Strings JavaScript String Methods JavaScript String Search Browser Support includes()is an ECMAScript6 (ES6) feature. ES6 (JavaScript 2015) is supported in all modern browsers since June 2017: Chrome 51Edge 15Firefox 54Safari 10Opera 38 ...
ES7 (JavaScript 2016) is supported in all modern browsers: ChromeEdgeFirefoxSafariOpera YesYesYesYesYes includes()is not supported in internet Explorer or Edge 13 (or earlier). ❮PreviousJavaScript ArrayReferenceNext❯ Track your progress - it's free!
Example Let's take a look at an example of how to use the includes() method in JavaScript. For example: vartotn_string='TechOnTheNet';console.log(totn_string.includes('e')); In this example, we have declared a variable calledtotn_stringthat is assigned the string value of 'TechOnTh...
C# MVC Checkbox Javascript Ajax or C# Action which way should I do? C# MVC Create an email with an attachment on Server for user to download C# MVC Create Zip put files in it(done) now unzip and open files c# MVC how to display and edit User Roles, User Claims, Roles? C# MVC JS...