In this article, you will learn how to concatenate arrays in Javascript. Let’s say you have two arrays and you want to combine them into a single array. In order to concatenate arrays, you can use the concat() method. Note: The concat() method functions by joining two or more arrays together.
In this article, you will learn how to truncate a string in Javascript. Let’s say you have a string variable named ‘a’ with value “I love code-source.tempurl.host!”. In order to truncate a string, you can use the substring() method. In this example, you will be extracting the first 6 characters from ‘a’. Note: The substring() […]
In this article, you will learn how to reverse a string in Javascript. Let’s say you have a string variable named ‘a’ with value “codesource”. In order to reverse the string variable, you can use the split(), reverse() and join() methods. Note: The split() method functions by splitting a string into an array of substrings. […]
In this article, you will learn how to convert a positive number into a negative number in Javascript. Let’s say you have a number variable called ‘a’ with value 123. In order to convert a positive number into a negative number, you can use the unary negation operator -. Note: The unary negation operator – […]
In this article, you will learn how to convert string to array in Javascript. Let’s say you have a string variable named ‘a’ with value “codesource”. In order to convert a string to an array, you can use the split() method. Note: The split() method functions by splitting the string into an array of characters.
In this article, you will learn how to convert any values into a boolean in Javascript. Let’s say you have 4 types of variables. In order to convert any values into a boolean, you can use the Boolean() method. Note: The Boolean method functions by converting empty strings and the number zero (0) to false, […]
In this article, you will learn how to Check If A Value Is Not A Number in Javascript. Let’s say you have 5 types of variables. In order to check if a variable’s value is a number or not, you can use the isNaN() method. Note: The word NaN stands for Not A Number. The […]
In this article, you will learn how to Compare Dates in Javascript. Let’s say you have two dates: 14 / 2 / 2020 and 14 / 2 / 2021. In order to compare dates, you can use the getTime() method and a strict equality comparison ===. Note: The getTime method functions by returning the number […]
In this article, you will learn How to Capitalize Strings in JavaScript. Let’s say you have a string variable named ‘a’ with the value “codesource”. In order to capitalise the value of a, you can use the toUpperCase() method. Note: The toUpperCase() method functions by converting all alphabetical characters in a string to uppercase letters.
