How to Create a Modal Popup With a Form Inside as Shaw/Hide on Click Button Using '@track' Const Variables in Lightning Web Component - LWC | how to display modal popup with a form inside in lwc

Hey guys, today in this post we are going to learn about How to Create a Modal Popup With a Form Inside as Shaw/Hide on Click Button Using ‘@track’ Const Variables in Lightning Web Component — LWC,

Files we used in this post example:-

lwcCustomModal.html	Lightning Web Component HTML	Template HTML file used to write HTML element for build user interface.
lwcCustomModal.js	Lightning Web Component JavaScript	It is hold click function and Shaw/Hide the modal popup.
lwcCustomModal.js-meta.xml	XML Meta	It is used for where this lightning web component should be exposed.

Don’t forget to check out:- Creating a Lightning Datatable with Row Actions and Display a Modal Popup on Click View Icon Button in Salesforce Lightning Web Component – LWC Click Here For More Information

Live Demo

You can download file directly from github by Click Here.

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Step 1:- Create Lightning Web Component : lwcCustomModal.html

SFDX:Lightning Web Component >> New >> lwcCustomModal.html

lwcCustomModal.html [Lightning Web Component HTML]

```
  <template>
```
```
 
```

<lightning-card title="Display a Custom Popup/Modal In Salesforce Lightning Web Component -- LWC" icon-name="custom:custom20">

```
 
```

<!-- lightning button for open custom modal window -->

```
<lightning-button variant="brand"
```
```
label="Open Custom Modal Popup in LWC"
```
```
title="Open Modal"
```
```
onclick={customShowModalPopup}
```

class="slds-m-left_x-small"></lightning-button>

```
 
```
```
        
```
```
<template if:true={customFormModal}>
```
```
 
```

<section role="dialog" tabindex="-1" aria-labelledby="modal-heading-01" aria-modal="true" aria-describedby="modal-content-id-1" class="slds-modal slds-fade-in-open">

```
<div class="slds-modal__container">
```
```
    
```
```
    <header class="slds-modal__header">
```

        <button class="slds-button slds-button_icon slds-modal__close slds-button_icon-inverse" title="Close" onclick={customHideModalPopup}>

            <lightning-icon icon-name="utility:close"

```
            alternative-text="close"
```
```
            variant="inverse"
```

            size="small" ></lightning-icon>

            <span class="slds-assistive-text">Close</span>

```
        </button>
```

        <h2 class="slds-text-heading_medium slds-hyphenate">Custom Modal Popup in LWC</h2>

```
    </header>
```
```
    
```

    <div class="slds-modal__content slds-p-around_medium">

```
 
```
```
    <div class="slds-grid slds-wrap">
```

        <div class="slds-col slds-size_6-of-12 slds-p-horizontal--medium slds-m-bottom_medium">

            <lightning-input label="Name"></lightning-input>

```
        </div>
```

<div class="slds-col slds-size_6-of-12 slds-p-horizontal--medium slds-m-bottom_medium">

            <lightning-input label="Phone" ></lightning-input>

```
        </div>
```

<div class="slds-col slds-size_6-of-12 slds-p-horizontal--medium slds-m-bottom_medium">

            <lightning-input label="Email"></lightning-input>

```
        </div>
```

<div class="slds-col slds-size_6-of-12 slds-p-horizontal--medium slds-m-bottom_medium">

            <lightning-input label="Designation"></lightning-input>

```
        </div>
```
```
</div>
```
```

```
```
    <footer class="slds-modal__footer">
```

        <button class="slds-button slds-button--destructive" onclick={customHideModalPopup}>Cancel</button>

        <button class="slds-button slds-button_brand">Save</button>

```
    </footer>
```
```
</div>
```
```
</div>
```
```
</section>
```

<div class="slds-backdrop slds-backdrop_open">

```
</div>
```
```
</template>
```
```
 
```
```
 
```
```
<br/> <br/>
```
```
   
```

<div style="border:1px #ddd solid; padding:10px; background:#eee; margin:40px 0;">

```
 
```

            <p data-aura-rendered-by="435:0"><img src="https://www.w3web.net/wp-content/uploads/2021/05/thumbsUpLike.png" width="25" height="25" style="vertical-align:top; margin-right:10px;" data-aura-rendered-by="436:0"><strong data-aura-rendered-by="437:0"><span style="font-size:16px; font-style:italic; display:inline-block; margin-right:5px;">Don't forget to check out:-</span><a href="https://www.w3web.net/" target="_blank" rel="noopener noreferrer" style="text-decoration:none;" data-aura-rendered-by="440:0">An easy way to learn step-by-step online free Salesforce tutorial, To know more Click  <span style="color:#ff8000; font-size:18px;" data-aura-rendered-by="442:0">Here..</span></a></strong></p>

```
 
```
```
            <br/><br/>
```

            <p data-aura-rendered-by="435:0"><img src="https://www.w3web.net/wp-content/uploads/2021/07/tickMarkIcon.png" width="25" height="25" style="vertical-align:top; margin-right:10px;" data-aura-rendered-by="436:0"><strong data-aura-rendered-by="437:0"><span style="font-size:17px; font-style:italic; display:inline-block; margin-right:5px; color:rgb(255 128 0);">You May Also Like →</span> </strong></p>

            <div style="display:block; overflow:hidden;">

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                    <ul style="list-style-type: square; font-size: 16px; margin: 0 0 0 54px; padding: 0;">

                        <li><a href="https://www.w3web.net/lwc-get-set-lightning-checkbox-value/" target="_blank" rel="noopener noreferrer">How to get selected checkbox value in lwc</a></li>

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                        <li><a href="https://www.w3web.net/create-lightning-datatable-row-actions-in-lwc/" target="_blank" rel="noopener noreferrer">how to create lightning datatable row actions in lwc</a></li>

                        <li><a href="https://www.w3web.net/if-and-else-condition-in-lwc/" target="_blank" rel="noopener noreferrer">how to use if and else condition in lwc</a></li>

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```
                    </ul>
```
```
            </div>
```
```
 
```

            <div style="width: 50%; float:left; display:inline-block">

                    <ul style="list-style-type: square; font-size: 16px; margin: 0 0 0 54px; padding: 0;">

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                        <li><a href="https://www.w3web.net/create-lightning-datatable-row-actions-in-lwc/" target="_blank" rel="noopener noreferrer">how to insert a record of account Using apex class in LWC</a></li>

                        <li><a href="https://www.w3web.net/fetch-picklist-values-dynamic-in-lwc/" target="_blank" rel="noopener noreferrer">how to get picklist values dynamically in lwc</a></li>

                        <li><a href="https://www.w3web.net/edit-save-and-remove-rows-dynamically-in-lightning-component/" target="_blank" rel="noopener noreferrer">how to edit/save row dynamically in lightning component</a></li>

                        <li><a href="https://www.w3web.net/update-parent-object-from-child/" target="_blank" rel="noopener noreferrer">update parent field from child using apex trigger</a></li>

```
                    </ul>
```
```
                </div>
```

               <div style="clear:both;"></div>

```
               <br/>
```

                <div class="youtubeIcon">

                    <a href="https://www.youtube.com/channel/UCW62gTen2zniILj9xE6LmOg" target="_blank" rel="noopener noreferrer"><img src="https://www.w3web.net/wp-content/uploads/2021/11/youtubeIcon.png" width="25" height="25" style="vertical-align:top; margin-right:10px;"/> <strong>TechW3web:-</strong> To know more, Use this <span style="color: #ff8000; font-weight: bold;">Link</span> </a>

```
                </div>
```
```
    </div>
```
```
 
```
```
</div>
```
```
 
```
```
  
```
```
 
```
```
</lightning-card>  
```
```
</template>
```

Step 2:- Create Lightning Web Component : lwcCustomModal.js

SFDX:Lightning Web Component >> New >> lwcCustomModal.js

lwcCustomModal.js [JavaScript Controller]

   import { LightningElement,track} from 'lwc';

```
 
```

export default class LwcCustomModal extends LightningElement {

```
    @track customFormModal = false; 
```
```
 
```

    customShowModalPopup() {

```
        this.customFormModal = true;
```
```
    }
```
```
 
```
```
    customHideModalPopup() {    
```
```
 
```
```
        this.customFormModal = false;
```
```
    }
```
```
 
```
```
}
```

Step 3:- Create Lightning Web Component : lwcCustomModal.js-meta.xml

SFDX:Lightning Web Component >> New >> lwcCustomModal.js-meta.xml

lwcCustomModal.js-meta.xml [LWC Meta Data XML]

  <?xml version="1.0" encoding="UTF-8"?>

<LightningComponentBundle xmlns="http://soap.sforce.com/2006/04/metadata">

```
    <apiVersion>45.0</apiVersion>
```
```
    <isExposed>true</isExposed>
```
```
    <targets>
```

        <target>lightning__AppPage</target>

        <target>lightning__RecordPage</target>

        <target>lightning__HomePage</target>

```
      </targets>
```
```
</LightningComponentBundle>
```

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FAQ (Frequently Asked Questions)

How do I create a modal popup in LWC?

Creating the modal popup is so easy in LWC and it's just few minutes of tasks. Modal Popup creates with the various methods will discuss only one of the way here. Create the Custom Component using VS code. In javascript, you only need to add or change in the value of the property.

How do I create a form in LWC?

The form loads in edit mode by default when you don't specify a record ID. Use object-api-name to pass the object API name for the record to be created. Specify the fields you want using the fields attribute, or use layout-type='Full' to load all fields in the full layout.

What is modal in LWC?

Modals/Popup Box are used to display content in a layer above the app. Mostly used to creation or editing of a record, as well as various types of messaging and wizards.

Vijay Kumar

Hi, This is Vijay Kumar behind the admin and founder of w3web.net. I am a senior software developer and working in MNC company from more than 8 years. I am great fan of technology, configuration, customization & development. Apart of this, I love to write about Blogging in spare time, Working on Mobile & Web application development, Salesforce lightning, Salesforce LWC and Salesforce Integration development in full time. [Read full bio] | | The Sitemap where you can find all published post on w3web.net