![]() Almost instead of Razor translating C# into HTML CSS and JavaScript pre-rendering on the client. However, if you are interested in learning about how one developer explores a newer technology and what is possible with it,īefore I start, and as I understand it, Blazor C# can be used on the frontend to operate instead of JavaScript, in one of its capacities. cshtml page-which, in the end, is not an approach I would recommend for reasons of lack of elegance. The approach I ended up using is a hybrid with Blazor components (not entire Views) embedded What follows is a demonstration of my explorations of how ASP.NET Core in C#, Razor and Blazor work together, including some pivots in my research when I hit a wall. I am rather new to Blazor, though not to Razor, and writing this piece has been instrumental in becoming more experienced. When I began writing this blog post, I was interested in discovering how easy it is to convert a Razor cshtml to a Blazor razor file. Thus we can fetch important sections or cursor positions more intuitively through this property.See how one developer explores a newer technology and what is possible with it-in this case, how ASP.NET Core in C#, Razor and Blazor work together, including some pivots after hitting a wall. It means if the viewport has a larger length than the viewport that is screened on, the property will count for the whole dimension of the entire page. But unlike those properties, pageX/Y considers the whole page’s dimension while calculating values. Similar to screenX/Y and clientX/Y, pageX/Y is also a read-only property. Use pageX/Y Property to Get Cursor Positional Value So, we can do a similar task for the x-axis value. And when scrolled down a little, the value remained 0. So, in the portion where we checked the page’s top value(y), it resulted in 0. Let screenLog = document.querySelector( '#screen-log') ĭocument.addEventListener( 'mousemove', logKey) The screenX/Y is a read-only property, and it follows the reference point as the global or the whole screen coordinate. Here, the cursor position is for the default cursor thus, we will use the onmousemove attribute to track the positions. The coordinate value strictly follows a certain referral point to show the position. In the case of the screenX/Y property, we calculate the position referred by a reference point. Use screenX/Y Properties to Get Cursor Position It is the read-only section of these properties. You can try and see the same outcome as the selectionStart property. ![]() The selectionEnd would perform similarly here, so we didn’t add any preview. Var ctl = document.getElementById( 'Javascript_example') ĭocument.getElementById( 'vals').innerText = startPos And so, we only get the position of the horizontal part, and the calculation is dependent on the character counts. To be precise, the cursor is the text type cursor on which these properties work. ![]() It prints the position of the string character that the cursor has passed. When talking about the read-only convention, the selectionStart and selectionEnd will perform similarly. In the instance demonstrated here, we will only showcase the read-only method for the selectionStart. You can have a more detailed aspect in this particular documentation. Playing with strings is limited as they only work on some particular attributes.įor example, input:text, input:textarea, input:password, and etc. There is also the getSelectionRange property that explicitly takes the selectionStart and selectionEnd values and figures out a specific range of sub-string. You can either define them with a positional value or take the default value, which performs the read operation. The selectionStart and selectionEnd properties are read/write properties. But, first, let’s jump into the main part! Use selectionStart and selectionEnd Property to Get Cursor Position We will also consider the working principle for the screenX/Y, clientX/Y, and pageX/Y, where three properties are based on coordinate systems. The following section will demonstrate examples of the selectionStart and selectionEnd properties. In this case, the reference point can vary and thus results in different values respective to different frames. ![]() Other properties also play a vital role in extracting the positional values based on coordinate marks. JavaScript was incorporated with the fundamental positional property selectionStart and selectionEnd, where we can only retrieve the positional value from a string literal’s 0th index. Use pageX/Y Property to Get Cursor Positional Value.Use screenX/Y Properties to Get Cursor Position.Use selectionStart and selectionEnd Property to Get Cursor Position.
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