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¿Cómo puedo detectar si hay una etiqueta de origen dentro de la etiqueta de video?

cuando cargo un video tengo esta etiqueta de video:

 <video data-required="video" id="video-upload-preview" controls=""> <source src="blob:https://localhost:4000/cbbd8fac-6a37-4294-a86c-f32cedb6fb79"> </video>

Cuando no he cargado un video, la etiqueta de video es como:

 <video data-required="video" id="video-upload-preview" controls=""></video>

¿Cómo puedo detectar si hay una etiqueta de source dentro del video o si no uso JavaScript?

about 4 years ago · Juan Pablo Isaza
1 answers
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const source = document.querySelector('video source') if(source){ console.log(source) }
about 4 years ago · Juan Pablo Isaza Report
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