When trying to set an HTML element's content to an Emoji in javascript, it displays strange sym-CodePudding

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When trying to set an HTML element's content to an Emoji in javascript, it displays strange sym

Time：12-25

I want to have a javascript function that changes the text of an element with the id "emoji" to the laughing emoji.

function changeEmoji() {
    document.getElementById("emoji").textContent = "


          
          
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javascript html emoji               
        
      
    
  
 
    
      
        
        	
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