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



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2















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?










share|improve this question







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    2















    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?










    share|improve this question







    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.























      2












      2








      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?










      share|improve this question







      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.












      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







      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







      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




      share|improve this question






      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 48 mins ago









      Brendan RoyBrendan Roy

      111




      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.





      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.






      Brendan Roy is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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          2 Answers
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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































            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
























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              2 Answers
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              active

              oldest

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              2 Answers
              2






              active

              oldest

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              active

              oldest

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              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




























                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


























                  1












                  1








                  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













                  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












                  share|improve this answer



                  share|improve this answer










                  answered 24 mins ago









                  tsalbtsalb

                  1,5441016




                  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




























                        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


























                          0












                          0








                          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













                          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












                          share|improve this answer



                          share|improve this answer










                          answered 21 mins ago









                          sfdcfoxsfdcfox

                          262k12209454




                          262k12209454






















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