Replace all in div or textarea content using javascript

To replace from div use(innerHTML) in javascript:

 <div id="ss">replace all with javascript</div>
<button onclick="replaceall()">replaceAll</button>
<script>
  function replaceall(){
var repall=document.getElementById("ss").innerHTML;
  var repall_1=repall.split(" ").join("-")
document.getElementById("ss").innerHTML=repall_1
  }
</script>

To replace from input or textarea use(value) in javascript:

 <textarea id="tex" style="width:100%">replace all with javascript</textarea>
<button onclick="replaceall1()">replaceAll</button>
<script>
  function replaceall1(){
var repall=document.getElementById("tex").value;
  var repall_1=repall.split(" ").join("-")
document.getElementById("tex").value=repall_1
  }
</script>

Replace all in div or textarea content using javascript

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