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HTML onloadstart Attribute

HTML onloadstart Attribute



The onloadstart event occurs when the browser starts looking at audio or video. This is when the loading process starts.


Following events occur when audio or video is loading:-


  • onloadstart
  • ondurationchange
  • onloadedmetadata
  • loadeddata
  • onprogress
  • oncanplay


Used With:-


Elements Event
audio onloadstart
video onloadstart




Its syntax is:- < element onloadstart="your_script" >

Code Explanation

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