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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 36 mins 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 36 mins 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 36 mins 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 36 mins 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 36 mins 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 36 mins 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 36 mins ago

Brendan RoyBrendan Roy

111

2 Answers
2

active

oldest

votes

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 12 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 10 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 12 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 12 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 12 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 12 mins ago

tsalbtsalb

1,5441016

answered 12 mins ago

tsalbtsalb

1,5441016

answered 12 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 10 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 10 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 10 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 10 mins ago

sfdcfoxsfdcfox

262k12209454

answered 10 mins ago

sfdcfoxsfdcfox

262k12209454

answered 10 mins ago

sfdcfoxsfdcfox

262k12209454