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Cómo corregir: script.js:3 TypeError no capturado: no se pueden establecer propiedades de undefined (configurando 'backgroundColor') en javascript

Estaba trabajando en hacer un tema oscuro para mi sitio web. Escribí este código.

 var elems = document.body.querySelectorAll("*"); elems.style.backgroundColor = "black"; elems.style.color = "white";

y obtuve este molesto error:

 script.js:3 Uncaught TypeError: Cannot set properties of undefined (setting 'backgroundColor')

Estoy usando Microsoft Edge.

about 4 years ago · Juan Pablo Isaza
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