In this example we will check the JavaScript Capitalize the First Letter of a String implementation. JavaScript provides many functions to work with Strings in general. We will leverage a few of them to achieve
JavaScript provides several built-in methods for manipulating strings, including one called toUpperCase() which can be used to convert the first letter of a string to uppercase.
To capitalize the first letter of a string in JavaScript:Use the charAt() function to isolate and uppercase the first character from the left of the string. Use the slice() method to slice the string leaving the first character. Concatenate the output of both functions to form a capitalized...
JavaScript comes bundled with a string method called toUpperCase, which could be used to capitalize the whole string. However, it does not provide a method that could capitalize only the first letter of a specific string. In this article, we'll learn to build a functionality that could capital...
There is a number of ways to capitalize the first letter of the string in JavaScript. For example: "this is an example"->"This is an example" "the Atlantic Ocean"->"The Atlantic Ocean" ThetoUpperCase()method transforms all letters in a string to uppercase; we will use it in com...
通常, JavaScript 字符串是原始值,可以使用字符创建:var firstName = "John" 但我们也可以使用 new 关键字将字符串定义为一个对象:var firstName = new String("John") 实例 var x = "John"; var y = new String("John"); typeof x // 返回 String ...
To capitalize the first letter in a string is easy if you undertake some steps.First of all you should get the first letter of the string by setting the charAt() method at 0 index:Javascript charAt method1 2 let string = "w3docs.com"; console.log(string.charAt(0)); // Returns...
function capitalizeFirstLetter(string) { return string.charAt(0).toUpperCase() + string.slice(1); } 其他一些答案修改了String.prototype(这个答案同样适用),但由于可维护性(现在很难找到函数被添加到prototype并且如果其他代码使用相同的方法可能会导致冲突),我会提出反对意见名称/浏览器将来会添加一个具有相同名...
This snippet capitalizes the first letter of a string. constcapitalize=([first,...rest])=>first.toUpperCase()+rest.join('');capitalize('fooBar');// 'FooBar'capitalize('fooBar',true);// 'FooBar' Source https://morioh.com/p/5b34d9858cb5...
Capitalize first letter of a string | JavaScript By: Rajesh P.S.There are number of ways to to capitalize a string to make the first character uppercase. inString[0].toUpperCase() + inString.slice(1); In the above code, uppercases the first character and slices the string to returns...