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How do you define an element with an ID attribute using LWC?

2

1

I'd like to be able to link to certain portions of my page using URL fragments, eg:

<h3 id="overview">Overview</h3>



...

<a href="#overview">Go to Overview</a>

Unfortunately the IDs i set from within LWC templates get overwritten, so my links don't work. Is there any way to define the ID attribute so it won't change?

lightning-web-components

share|improve this question

asked 1 hour ago

Brendan RoyBrendan Roy

111

New contributor

Brendan Roy is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

add a comment | 

2

1

I'd like to be able to link to certain portions of my page using URL fragments, eg:

<h3 id="overview">Overview</h3>



...

<a href="#overview">Go to Overview</a>

Unfortunately the IDs i set from within LWC templates get overwritten, so my links don't work. Is there any way to define the ID attribute so it won't change?

lightning-web-components

share|improve this question

asked 1 hour ago

Brendan RoyBrendan Roy

111

New contributor

Brendan Roy is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

add a comment | 

I'd like to be able to link to certain portions of my page using URL fragments, eg:

<h3 id="overview">Overview</h3>



...

<a href="#overview">Go to Overview</a>

Unfortunately the IDs i set from within LWC templates get overwritten, so my links don't work. Is there any way to define the ID attribute so it won't change?

lightning-web-components

share|improve this question

asked 1 hour ago

Brendan RoyBrendan Roy

111

New contributor

Brendan Roy is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

<h3 id="overview">Overview</h3>



...

<a href="#overview">Go to Overview</a>

share|improve this question

asked 1 hour ago

Brendan RoyBrendan Roy

111

New contributor

Brendan Roy is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

share|improve this question

asked 1 hour ago

Brendan RoyBrendan Roy

111

New contributor

Brendan Roy is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked 1 hour ago

Brendan RoyBrendan Roy

111

New contributor

Brendan Roy is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked 1 hour ago

Brendan RoyBrendan Roy

111

2 Answers
2

active

oldest

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1

Yes, you can use data-id and the HTMLElement dataset property.

<h3 data-id="overview">Overview</h3>

const element = this.template.querySelector('[data-id="overview"]');

// element.dataset.id === 'overview'

share|improve this answer

answered 38 mins ago

tsalbtsalb

1,5441016

add a comment | 

0

Assuming you want to scroll to an element you have access to, you could always use scrollIntoView:

this.template.querySelector("h3").scrollIntoView();

You can basically use any valid CSS selector to find a specific element (e.g. based on a data-id or another attribute).

As far as I can tell, from a lack of documentation, you can't specify an anchor target. You would write the link like this:

<a onclick={handleClick} data-target-id="overview">Overview</a>

Given an H3 like this:

<h3 data-id="overview">Overview</h3>

And scroll with this:

handleClick(event) {

  let targetId = event.target.dataset.targetId;

  let target = this.template.querySelector(`[data-id="${targetId}"]`);

  target.scrollIntoView();

}

((Note: Not tested, you might need to tweak the CSS selector.))

This assumes that the link and target are in the same template, otherwise this won't work. As far as I can tell, you can't target arbitrary elements.

share|improve this answer

answered 36 mins ago

sfdcfoxsfdcfox

262k12209454

add a comment | 

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1

Yes, you can use data-id and the HTMLElement dataset property.

<h3 data-id="overview">Overview</h3>

const element = this.template.querySelector('[data-id="overview"]');

// element.dataset.id === 'overview'

share|improve this answer

answered 38 mins ago

tsalbtsalb

1,5441016

add a comment | 

1

Yes, you can use data-id and the HTMLElement dataset property.

<h3 data-id="overview">Overview</h3>

const element = this.template.querySelector('[data-id="overview"]');

// element.dataset.id === 'overview'

share|improve this answer

answered 38 mins ago

tsalbtsalb

1,5441016

add a comment | 

Yes, you can use data-id and the HTMLElement dataset property.

<h3 data-id="overview">Overview</h3>

const element = this.template.querySelector('[data-id="overview"]');

// element.dataset.id === 'overview'

share|improve this answer

answered 38 mins ago

tsalbtsalb

1,5441016

<h3 data-id="overview">Overview</h3>

const element = this.template.querySelector('[data-id="overview"]');

// element.dataset.id === 'overview'

share|improve this answer

answered 38 mins ago

tsalbtsalb

1,5441016

answered 38 mins ago

tsalbtsalb

1,5441016

answered 38 mins ago

tsalbtsalb

1,5441016

0

Assuming you want to scroll to an element you have access to, you could always use scrollIntoView:

this.template.querySelector("h3").scrollIntoView();

You can basically use any valid CSS selector to find a specific element (e.g. based on a data-id or another attribute).

As far as I can tell, from a lack of documentation, you can't specify an anchor target. You would write the link like this:

<a onclick={handleClick} data-target-id="overview">Overview</a>

Given an H3 like this:

<h3 data-id="overview">Overview</h3>

And scroll with this:

handleClick(event) {

  let targetId = event.target.dataset.targetId;

  let target = this.template.querySelector(`[data-id="${targetId}"]`);

  target.scrollIntoView();

}

((Note: Not tested, you might need to tweak the CSS selector.))

This assumes that the link and target are in the same template, otherwise this won't work. As far as I can tell, you can't target arbitrary elements.

share|improve this answer

answered 36 mins ago

sfdcfoxsfdcfox

262k12209454

add a comment | 

0

Assuming you want to scroll to an element you have access to, you could always use scrollIntoView:

this.template.querySelector("h3").scrollIntoView();

You can basically use any valid CSS selector to find a specific element (e.g. based on a data-id or another attribute).

As far as I can tell, from a lack of documentation, you can't specify an anchor target. You would write the link like this:

<a onclick={handleClick} data-target-id="overview">Overview</a>

Given an H3 like this:

<h3 data-id="overview">Overview</h3>

And scroll with this:

handleClick(event) {

  let targetId = event.target.dataset.targetId;

  let target = this.template.querySelector(`[data-id="${targetId}"]`);

  target.scrollIntoView();

}

((Note: Not tested, you might need to tweak the CSS selector.))

This assumes that the link and target are in the same template, otherwise this won't work. As far as I can tell, you can't target arbitrary elements.

share|improve this answer

answered 36 mins ago

sfdcfoxsfdcfox

262k12209454

add a comment | 

Assuming you want to scroll to an element you have access to, you could always use scrollIntoView:

this.template.querySelector("h3").scrollIntoView();

You can basically use any valid CSS selector to find a specific element (e.g. based on a data-id or another attribute).

As far as I can tell, from a lack of documentation, you can't specify an anchor target. You would write the link like this:

<a onclick={handleClick} data-target-id="overview">Overview</a>

Given an H3 like this:

<h3 data-id="overview">Overview</h3>

And scroll with this:

handleClick(event) {

  let targetId = event.target.dataset.targetId;

  let target = this.template.querySelector(`[data-id="${targetId}"]`);

  target.scrollIntoView();

}

((Note: Not tested, you might need to tweak the CSS selector.))

This assumes that the link and target are in the same template, otherwise this won't work. As far as I can tell, you can't target arbitrary elements.

share|improve this answer

answered 36 mins ago

sfdcfoxsfdcfox

262k12209454

this.template.querySelector("h3").scrollIntoView();

<a onclick={handleClick} data-target-id="overview">Overview</a>

<h3 data-id="overview">Overview</h3>

handleClick(event) {

  let targetId = event.target.dataset.targetId;

  let target = this.template.querySelector(`[data-id="${targetId}"]`);

  target.scrollIntoView();

}

share|improve this answer

answered 36 mins ago

sfdcfoxsfdcfox

262k12209454

answered 36 mins ago

sfdcfoxsfdcfox

262k12209454

answered 36 mins ago

sfdcfoxsfdcfox

262k12209454