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How do you comment multiple lines in lightning component?

Chris Normand

If you want to comment on any logic in the controllers, you can use ( // ) for a single line, ( /* ) and ( */ ) for multiple line comments.

How do I add comments in LWC component?

To preserve the performance of the existing components, we propose to introduce two options to enable comments:
  1. A new boolean attribute ( lwc:preserve-comments ) to the root template tag in the component template; false by default.
  2. A new compile option ( preserveHTMLComments ) in the template compiler; false by default.
To preserve the performance of the existing components, we propose to introduce two options to enable comments:
  1. A new boolean attribute ( lwc:preserve-comments ) to the root template tag in the component template; false by default.
  2. A new compile option ( preserveHTMLComments ) in the template compiler; false by default.

How do you comment on a line in LWC?

Comments
  1. To create a single line comment, use // . All characters on the same line to the right of the // are ignored by the parser. For example: …
  2. To create a multiline comment, use /* and */ to demarcate the beginning and end of the comment block. For example:
Comments
  1. To create a single line comment, use // . All characters on the same line to the right of the // are ignored by the parser. For example: …
  2. To create a multiline comment, use /* and */ to demarcate the beginning and end of the comment block. For example:

How do you add a comment in Salesforce?

Click New on the Cases tab to create a case, or select an existing case and click Edit. Type your comments in Internal Comments . Optionally, select Send Customer Notification to email the contact on the case of your new public comment. Click Save.

How do you create a button in LWC?

Go to the object manager and find the object you are creating a list view button for. On the object page, click the “buttons links and actions” link, then click the “New Button or Link” on the top right of that page.

How can you display components HTML conditionally?

To render HTML conditionally, add the if:true|false directive to a nested <template> tag that encloses the conditional content.
  1. Tip Directives are special HTML attributes. …
  2. Note To toggle the value of a boolean property in markup, default the value to false .
To render HTML conditionally, add the if:true|false directive to a nested <template> tag that encloses the conditional content.
  1. Tip Directives are special HTML attributes. …
  2. Note To toggle the value of a boolean property in markup, default the value to false .

How do you make notes in CSS?

To comment in CSS, simply place your plain text inside /* */ marks. This tells the browser that they are notes and should not be rendered on the front end.

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How do I make a note in HTML?

In HTML, a comment is text enclosed within < ! ╌ ╌> tags. This syntax tells the browser that they are comments and should not be rendered on the front end. Thanks to the comments tag, you can leave notes to remind yourself where you left off in the build process.

How do you put a comment in HTML?

The HTML Comment Tag

Comments in HTML start with <! — and end with –> . Don’t forget the exclamation mark at the start of the tag! But you don’t need to add it at the end.

How do you comment code in LWC?

Both single and multiline comments are supported in Apex code.
  1. To create a single line comment, use // . All characters on the same line to the right of the // are ignored by the parser. For example: …
  2. To create a multiline comment, use /* and */ to demarcate the beginning and end of the comment block. For example:
Both single and multiline comments are supported in Apex code.
  1. To create a single line comment, use // . All characters on the same line to the right of the // are ignored by the parser. For example: …
  2. To create a multiline comment, use /* and */ to demarcate the beginning and end of the comment block. For example:

How do you override a new button with the lightning component?

Set Up the Override
  1. Back in your org, click Setup ( ) and select Setup.
  2. Click Object Manager.
  3. Click Property.
  4. Click Buttons, Links, and Actions.
  5. Click the Dropdown menu icon ( ) next to New and select Edit.
  6. Select Lightning Experience Override as Lightning Component.
Set Up the Override
  1. Back in your org, click Setup ( ) and select Setup.
  2. Click Object Manager.
  3. Click Property.
  4. Click Buttons, Links, and Actions.
  5. Click the Dropdown menu icon ( ) next to New and select Edit.
  6. Select Lightning Experience Override as Lightning Component.

How do I use lightning button in CSS?

You can add CSS to a lightning component bundle by clicking the STYLE button in the Developer Console sidebar. after click on the STYLE button on component bundle, new CSS file is create with .

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How we can bind data in LWC?

Example of LWC with One way Data Binding

One way binding follows from controller to view but vice versa is not possible. One way binding means that the model is rendered in the view, but in order to update the model if the view changes, you must fire an event and handle that event to update the code in your controller.

How do I put an image in HTML?

Here’s how it’s done in three easy steps:
  1. Copy the URL of the image you wish to insert.
  2. Next, open your index. html file and insert it into the img code. Example: <img src=”(your image URL here)”>
  3. Save the HTML file. The next time you open it, you’ll see the webpage with your newly added image.
Here’s how it’s done in three easy steps:
  1. Copy the URL of the image you wish to insert.
  2. Next, open your index. html file and insert it into the img code. Example: <img src=”(your image URL here)”>
  3. Save the HTML file. The next time you open it, you’ll see the webpage with your newly added image.

How do you change the text color of an element?

To change some of the text in the HTML document to another color use the FONT COLOR Tag. To change the color of the font to red add the following attribute to the code to the <FONT COLOR=” “> tag. #ff0000 is the color code for red.

What are the two types of comment tags?

Types of HTML Comments: There are three types of comments in HTML which are: Single-line comment. Multi-lines comment. Using <comment> tag.

How do I hide HTML code without deleting it?

The text will remain in the HTML code, but not in a user’s browser window.
  1. Launch your HTML editor. …
  2. Locate the text within the HTML document you want to hide. …
  3. Type “<” followed by “! …
  4. Type “—” followed by “>” (no quotes and no spaces) at the end of the block of text you want to hide. …
  5. Save your HTML document.
The text will remain in the HTML code, but not in a user’s browser window.
  1. Launch your HTML editor. …
  2. Locate the text within the HTML document you want to hide. …
  3. Type “<” followed by “! …
  4. Type “—” followed by “>” (no quotes and no spaces) at the end of the block of text you want to hide. …
  5. Save your HTML document.

How does CSS save a lot of work?

CSS saves a lot of work because it controls the layout of multiple web pages all at once. A document is commonly a text file structured using a markup language like HTML.

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How do you make notes in HTML?

In HTML, a comment is text enclosed within < ! ╌ ╌> tags. This syntax tells the browser that they are comments and should not be rendered on the front end. Thanks to the comments tag, you can leave notes to remind yourself where you left off in the build process.

How do you call LWC in Aura component?

How to invoke an LWC Component function from Aura Component
  1. LWC component function should be declared as public starting using @api decorator.
  2. We can invoke the LWC component through the Aura component using aura:id.
How to invoke an LWC Component function from Aura Component
  1. LWC component function should be declared as public starting using @api decorator.
  2. We can invoke the LWC component through the Aura component using aura:id.

How do I override a new button on a VF page?

To override a standard button or a tab home page:
  1. Click Edit next to the button or tab home page you want to override.
  2. Pick Visualforce page as an override type.
  3. Select the Visualforce page you want to run when users click the button or tab. …
  4. Click Save.
To override a standard button or a tab home page:
  1. Click Edit next to the button or tab home page you want to override.
  2. Pick Visualforce page as an override type.
  3. Select the Visualforce page you want to run when users click the button or tab. …
  4. Click Save.

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