Скачать или смотреть Develop Custom Select Box Input With Value Selection in JavaScript | HTML CSS and JavaScript

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Hi, I’m Malik Faizan, the founder of MalikCodex. As a passionate developer with years of experience, I have worked with a multitude of programming languages and technologies

About Custom Select Box Input in HTML CSS and JavaScript
In this blog post, we will develop a custom select box input in HTML CSS, and javascript. This Post will let you people understand the logic behind creating custom select boxes. We will use javascript advanced tricks to deal with li that we used as options value for custom select box input. Let's put an eye to the next block where we discuss the select box logic in detail

CSS Positions
To Create such an amazing custom select box input we will handle child elements of ul with positions (Such as Absolute and Relative ). and also add transform (translate) property to properly set the second child element of ul to fit inside like perfect options boxes.

So in the above paragraph, I will show you guys how we edit the CSS part for creating select boxes. let's move on to the logic block

Logic Explained Behind Creating Custom Select Box
First, we will create an HTML format using ul as a main div and li as an options value for the select box representation. Select box contains options with values and target their ID to use them as a select box value

We will create two main divs inside ul where the first will represent the selected select box value and the other box will represent the rest of the li options with the selected one.

we will use display CSS properties ( Such as flex and none ) to deal with the custom div elements. So first we add the id attribute in the first div (id=” first”) and for the second one something like (id=” second”). through these targets, we will render the logic easily. So let's move on to the next coding block to understand the javascript implementation for select boxes

Code Logic in JavaScript
Know we discuss the javascript code part. So first we get all the selectors and click event to the custom select box to show options in our case ul is the select box and the li’s are the options inside the select box. After this, our logic is something like we want our select box to show values on clicked. when we had done this part then we worked on the next logic which was to hide the box when someone clicks outside of the select box for this we added classList to add and remove CSS class to hide the select box

After this, our last part is to show the selected value remains selected and hovered inside the second ul div (id=” second”) this div contains all the li’s. so don't get confused about it we discuss this part in the above section

Lastly, we have to prepend the selected li element to the first position as it is selected and also display the selected one as the default select box option so for doing this we will use the event to target the parentElement. In JavaScript, we will do something like (e.target.parentElement) and (e.target) and use the first selector to print the selected box value in the first div.

Steps To Follow
1. Writing the HTML part
2. Creating Beautiful Layout Using CSS
3. Integrating JavaScript
4. handling with CSS properties
5. handling with ul child elements (li’s)
6. displaying the selected value
7. showing selected value on first of all li elements
8. working with e or event in javascript to target the parentElement and first selector of ul
9. That’s it

Final Conclusion
So now everything is done and the custom select box input is ready. You can improve your coding logic to the next level. Read the full post in detail if the post is not enough just understand the basics and then watch the complete YouTube video clip which explains everything through coding implementation

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