As JavaScript is becoming more ubiquitous, it's not uncommon to use it to manipulate strings, of which it offers numerous built-in methods and functions for working with strings. One common operation is removing a specific substring from a given string, which can be useful in numerous real-wo...
Let’s see in the following example how to convertDate()to lower case: varnormalDate=newDate();varlowerCaseDate=newDate().toString().toLowerCase();console.log('Normal Date Format > '+normalDate);console.log('Lower Case Date Format > '+lowerCaseDate); ...
To convert all elements in an array to lowercase, you can use another JavaScript method calledString.toLowerCase()as shown below: constnames=['Ali','Atta','Alex','John'];constlowercased=names.map(name=>name.toLowerCase());console.log(lowercased);// ['ali', 'atta', 'alex', 'john'...
In this article, we'll use one handy trick to get the number of occurrences of a substring in a string. We'll set the substring to be the separator in thesplit()method. That way, we can extract the number of occurrences of the substring from the array that thesplit()method returned:...
You can simply use the strict equality operator (===) if you wants to convert a string representing a boolean value, such as, 'true' or 'false' into an intrinsic Boolean type in JavaScript. Let's take a look at the following example to understand how it basically works: ...
var text = 'Is not it weird to live in a world like this? It is a 42'; var words = text.toLowerCase(); var okay = words.split(/\W+/).filter(function(token) { return token.length == 2; }); console.log(okay); Output: So, the text string is converted to lowercase, and...
Today we also see custom fonts, like FontAwesome and the material design glyphs, and emojiis using unicode characters and code points to represent glyphs and pictures in text. JavaScript toLowerCase The toLowerCase() method converts all of a string's characters to lowercase. There are no par...
Convert an Object's Values or Keys to an Array in JavaScript I wrotea bookin which I share everything I know about how to become a better, more efficient programmer. You can use the search field on myHome Pageto filter through all of my articles. ...
We can use theString.replace()method to remove all whitespace from our string, and theString.toLowerCase()method to convert it to lowercase. We’ll assign the normalized string to thevalvariable, and use that instead. /*** Check if the attribute is potentially dangerous* @param {Strin...
It's useful when you need to check the beginning of a string for a specific substring. For example: const str = 'JavaScript'; const searchValue = 'Java'; console.log(str.startsWith(searchValue)); // true For case-insensitive matches, you can pass convert the string to lowercase ...