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The lastIndexOf() method in JavaScript is used to search a string for a specified substring, starting from the end of the string, and return the position of the substring within the string. This method takes a single argument, which is the substring to search for in the string. If the substring is found, the lastIndexOf() […]

The indexOf() method in JavaScript is used to search a string for a specified substring, and return the position of the substring within the string. This method takes a single argument, which is the substring to search for in the string. If the substring is found, the indexOf() method returns the index at which the […]

The includes() method in JavaScript is used to check whether a string contains a specified substring. This method takes a single argument, which is the substring to search for in the string. If the substring is found, the includes() method returns true. If the substring is not found, the includes() method returns false. Here is […]

The String.fromCharCode() method in JavaScript is used to create a string from a sequence of Unicode code points. This method takes one or more Unicode code point values as arguments, and returns a new string that is the result of converting each code point value to a character. Here is an example of how the […]

The endsWith() method in JavaScript is used to check whether a string ends with a specified suffix. This method takes a single argument, which is the suffix to search for at the end of the string. If the suffix is found, the endsWith() method returns true. If the suffix is not found, the endsWith() method […]

The constructor method in JavaScript is used to return the function that created an object’s prototype. This method is a property of all objects in JavaScript, and can be used to check the type of an object. Here is an example of how the constructor method works: In the code example above, we first declare […]

The concat() method in JavaScript is used to concatenate two or more strings together. This method takes one or more string arguments, and returns a new string that is the result of concatenating all the arguments together. Here is an example of how the concat() method works: In the code example above, we first declare […]

The codePointAt() method in JavaScript is used to return the Unicode code point value of the character at a specified index in a string. This method takes a single argument, which is the index of the character to return the code point value for. If the index is out of range, the codePointAt() method returns […]

The charCodeAt() method in JavaScript is used to return the Unicode value of the character at a specified index in a string. This method takes a single argument, which is the index of the character to return the Unicode value for. If the index is out of range, the charCodeAt() method returns NaN. Here is […]

The charAt() method in JavaScript is used to return the character at a specified index in a string. This method takes a single argument, which is the index of the character to return. If the index is out of range, the charAt() method returns an empty string. Here is an example of how the charAt() […]