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cómo cambiar el contenido de intervalo dentro de un div

¿Cómo cambio el contenido span cuando se hace clic en un bloque div usando JavaScript?

 var tiles = document.querySelector(".block2"); tiles.addEventListener("click", function() { document.getElementsByClassName(".txt").innerHTML = "Hello"; });
 <div class="block1"><span class="txt">1</span></div> <div class="block2"><span class="txt">2</span></div> <div class="block3"><span class="txt">3</span></div>

about 4 years ago · Santiago Gelvez
3 answers
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0

Necesitas

  • obtener todos los bloques
  • bucle ellos
  • agregar un clic a cada uno
  • obtener los tramos interiores del bloque actual
  • bucle ellos
  • cambiar el innerText

 var tiles = document.querySelectorAll(".block1, .block2, .block3"); for (let tile of tiles) tile.addEventListener("click", function() { for (let span of tile.querySelectorAll(".txt")) span.innerHTML = "Hello"; });
 <div class="block1"><span class="txt">1</span></div> <div class="block2"><span class="txt">2</span></div> <div class="block3"><span class="txt">3</span></div>

about 4 years ago · Santiago Gelvez Report

0

Necesitas buscar todos los divs. Puedes usar por ejemplo este selector: document.querySelectorAll('[class^="block"]'); Luego puede asignar a cada div un evento de clic.

 const divs = document.querySelectorAll('[class^="block"]'); divs.forEach(d => { d.addEventListener("click", () => { d.firstChild.innerHTML = "Hello"; }); })
 div { height: 20px; background: gray; padding: 5px; margin: 5px; width: 300px; }
 <div class="block1"><span class="txt">1</span></div> <div class="block2"><span class="txt">2</span></div> <div class="block3"><span class="txt">3</span></div>

about 4 years ago · Santiago Gelvez Report

0

si desea cambiar todo span innerText entonces,

 let spans = document.getElementsByClassName("txt"); spans.forEach(element => { element.innerText = "Hello"; });
about 4 years ago · Santiago Gelvez Report
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