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Articles by Shubham Vora
Page 6 of 80
How to format strings in TypeScript?
In this tutorial, we will learn to format the strings in TypeScript. The string is the sequence of characters in any programming language, and the same goes for TypeScript. In TypeScript, strings are immutable. The meaning of the immutable is that we can’t change the string character at the particular index, but we can append the character to the string. Below, we will learn different methods to format the string in TypeScript. Using the + operator to merge two or more strings Generally, the '+' operator performs the addition operation of two or more numbers. When we use the + ...
Read MoreHow to pass an object as a parameter in JavaScript function?
In this tutorial, we will learn how to pass an object as a parameter in a JavaScript function. One of JavaScript's data types is represented by the Object type. It is used to store keyed collections as well as more complex entities. The Object() function Object()or the object initializer / literal syntax can be used to create objects. Almost all JavaScript objects are instances of Object; a typical object inherits properties (including methods) from Object.prototype, though these properties may be shadowed (a.k.a. overridden). Following are the methods used to pass an object as a parameter in a JavaScript function. Using the ...
Read MoreHow to get first and last date of the current month with JavaScript?
In this tutorial, we will look at how to get the first and last date of the current month using JavaScript. In our daily lives, we frequently deal with dates, and we typically are aware of the day—or, at the very least, the month—we are in. To assist users in determining when something has occurred or will occur concerning their current situation, we display the name of a day or a month. This serves as a wonderful chronology. Following are the approaches to get the first and last date of the month using JavaScript − Using a Date Object ...
Read MoreHow to display the selected option in a dropdown list with JavaScript?
In this tutorial, we will learn how to display the selected option in a dropdown list with JavaScript. What is a dropdown list? A dropdown list is a switchable menu that enables users to select one item from various options. A drop-down list is generated with the tag is most frequently used in forms to gather user input. After submitting the form, the name attribute must refer to the form's data. The DOM API functions getElementById() and querySelector() can be used to choose a element. The process use the querySelector() function to first select the "button" and "select" ...
Read MoreHow to stop forEach() method in JavaScript?
In JavaScript, Programmers can use the forEach() method to iterate through the array of elements. We can call a callback function, which we can pass as a parameter of the forEach() method for every array element. Sometimes, we may require to stop the forEach() loop after executing the callback function for some elements. We can use the ‘break’ keyword with a normal loop to stop it, as shown below. for(let i = 0; i < length; i++){ // code if( some condition ){ break; } ...
Read MoreHow to change the font color of a text using JavaScript?
This tutorial teaches us to change the font color of the text using JavaScript. While working with JavaScript and developing the frontend of the application, it needs to change the font color of the text using JavaScript when an event occurs. For example, we have an application which can turn on or off the device. We have a button to turn on or off the device. When the device is on, make the button text green. Otherwise, make the button text red. So, in such cases, programmers need to change the font color using JavaScript. We have some different method ...
Read MoreHow to perform string comparison in TypeScript?
In this TypeScript tutorial, users will learn to make string comparisons. The string comparison is the basic operation required while working with any programming language. Suppose we are developing a web or Android application and need to compare string data such as user id, user name, password, etc. In such cases, string comparison becomes very useful. Using the strict equality (===) operator The best way to compare the strings in TypeScript is to use the strict equality operator. The strict equality operator first checks the types of the left and right operands, and if it matches, it compares the value ...
Read MoreHow to include another HTML file in an HTML file?
In this tutorial, we shall learn to include another HTML file in an HTML file. Various methods are available to include another HTML file in an HTML file. Let us quickly go through the techniques that have support on the web. Using JQuery load to include an HTML file In this section, we shall check how to use JQuery’s load method to include an HTML file. Users can follow the syntax below to use this method. Syntax $(wrapper).load(htmlfile); The wrapper appends the new HTML file that jQuery loads. Parameters wrapper − ID of the DOM element that includes ...
Read MoreHow do I call a JavaScript function on page load?
This tutorial will teach us to call a JavaScript function on page load. In many cases, while programming with HTML and JavaScript, programmers need to call a function, while loading the web page or after the web page load finishes. For example, programmers need to show the welcome message to the user on page load, and the programmer needs to call a JavaScript function after the page load event.There are various ways to call a function on page load or after page load in JavaScript, and we will look at them one by one in this tutorial.Using the onload event ...
Read MoreHow to check whether a checkbox is checked in JavaScript?
In this tutorial, we will learn to check whether a checkbox is checked in JavaScript. The checkbox is the input type in the HTML, which works as the selection box. The radio buttons which belong to the same group allow users to select only one value. Still, the checkbox which belongs to the same group allows users to select multiple values. Also, you have many uses of checkboxes in your mind yourself. The HTML can add a checkbox to the webpage, but to add the behaviour to the checkbox, we must use JavaScript. Programmers can add different behaviours to the ...
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