LWC Template if:true/false directive condition checked to render data through for:each and iterate list over Contact Object in lightning web component Salesforce lwc | how to handle multiple conditions template if:true to check against two values to iterate list object through for:each in Salesforce LWC

Hey guys, today in this post we are going to learn about How to use template if:true/false directive condition checked to render data through for:each and iterate list over Contact Object in lightning web component Salesforce LWC

To render HTML conditionally, add the if:true|false directive to a nested “template” tag that encloses the conditional content.

The if:true|false={property} directive binds data to the template and removes and inserts DOM elements based on whether the data is a truthy or falsy value. To know more details about Render DOM Elements Conditionally, Click Here.

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Don’t forget to check out:- How to pass recordId to get current Contact record details using lightning-record-view-form & lightning-output-field elements in Lightning Web Component (LWC). Click Here For More Information

Files we used to check condition Template if:true in Salesforce LWC →

lwcTrueFalseData.html	LWc HTML File	Template HTML file to check condition Template if:true in Salesforce Lightning Web Component (LWC)
lwcTrueFalseData.js	LWC JavaScript File	It’s hold @wire decorator to get list of Contact records.
lwcTrueFalseData.js-meta.xml	XML Meta File	It is used to where this lightning web component file you want to display as lightning__AppPage, lightning__RecordPage, lightning__HomePage.
lwcTrueFalseDataCtrl.cls	Apex Controller	It is used for retrieve list of records from Contact object using @wire decorator in Salesforce LWC.

Final Output →

template if else in lwc -- w3web.net

You can download file directly from github by Click Here.

Other related post that would you like to learn in Salesforce

Find the below steps

Create Lightning Web Component HTML →

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

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

lwcTrueFalseData.html [Lightning Web Component HTML]

```
   <template>
```
```
    <lightning-card>
```

        <div class="slds-m-around_medium">

            <h3 class="slds-text-heading_medium"><lightning-icon icon-name="custom:custom85" size="small"></lightning-icon> <strong style="color:#270086; font-size:13px; margin-right:5px;"> Contact List using for:each and  @wire decorator in Lightning Web Component (LWC) </strong></h3>

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

            <template if:true={conObjItem.data}>

                <table class="slds-table slds-table_col-bordered slds-table_bordered slds-table_edit slds-table_fixed-layout slds-table_resizable-cols slds-tree slds-table_tree" style="border-collapse:collapse; border:1px #ddd solid;">

```
                    <thead>
```
```
                        <tr>
```

                            <td style="background: #eee; font-weight:bold;">Name</td>

                            <td style="background: #eee; font-weight:bold;">Email</td>

                            <td style="background: #eee; font-weight:bold;">Phone</td>

                            <td style="background: #eee; font-weight:bold;">Title</td>

```
                        </tr>
```
```
                    </thead>
```

                     <tbody>

                        <template for:each={conObjItem.data} for:item="con">

                            <tr key={con.Id}>

                                <td>{con.Name}</td>

                                <td>{con.Email}</td>

                                <td>{con.Phone}</td>

                                <td>{con.Title}</td>

```
                            </tr>
```

                        </template>

```
                     </tbody>
```
```
                 </table>
```
```
 
```
```
            </template>
```

            <template if:true={conObjItem.error}>

```
                {contacts.error}
```
```
            </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;">

                <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;">

                        <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>

                        <li><a href="https://www.w3web.net/get-selected-radio-button-value-and-checked-default-in-lwc/" target="_blank" rel="noopener noreferrer">how to display selected radio button value in lwc</a></li>

```
                    </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;">

                        <li><a href="https://www.w3web.net/display-account-related-contacts-lwc/" target="_blank" rel="noopener noreferrer">display account related contacts based on account name in lwc</a></li>

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

Create Lightning Web Component JavaScript →

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

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

lwcTrueFalseData.js [LWC JavaScript File]

  import { LightningElement, wire } from 'lwc';

  import objContactList from '@salesforce/apex/lwcTrueFalseDataCtrl.objContactList';

  export default class LwcTrueFalseData extends LightningElement {

```
      @wire(objContactList) conObjItem;
```
```
  }
```

Create Lightning Web Component Meta XML →

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

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

lwcTrueFalseData.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>
```

Create Apex Class Controller →

Step 4:- Create Apex Class : lwcTrueFalseDataCtrl.cls

From Developer Console >> File >> New >> Apex Class

lwcTrueFalseDataCtrl.cls [Apex Class Controller]

   public WITH sharing class lwcTrueFalseDataCtrl {

```
    @AuraEnabled(cacheable=TRUE)
```

    public static List<Contact> objContactList() {

        List<Contact> conList = [SELECT Id, Name, FirstName, LastName, Email, Phone,Title, Description FROM Contact WHERE Email !=NULL];

```
        RETURN conList;
```
```
    }
```
```
}
```

Further post that would you like to learn in Salesforce

how to check if condition in lwc -- w3web.net

TechW3web:- To know more, Use this Link

FAQ (Frequently Asked Questions)

What are directives in LWC?

A directive is a special attribute that adds dynamic behavior to an HTML template. Use this directive to iterate over an array and render a list. Use this directive to access the current item.

What is iterator in LWC?

terator. If you want add special behavior to the first or last item in a list, use the iterator directive, iterator:iteratorName={array}. Use the iterator directive on a template tag.

Why do we use slots in LWC?

Slots in LWC are useful to make Lightning Web Component reusable and more flexible. It is also used to create a template in Lightning Web Component where we can create dynamic sections where the markup can be populated dynamically.

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