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How can I set all checkboxes to true by clicking on a Single checkbox?

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How can I set all checkboxes to true by clicking on a Single checkbox?
posted Jul 4, 2014 by Amritpal Singh

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1 Answer

+1 vote

It can be done using Javascript. The Code goes Here:

<script >
function checkall(source) {
  var checkboxes=new Array();
  checkboxes= document.getElementsByTagName('input');
  for(var i=0;i<checkboxes.length;i++)
  {
    if(checkboxes[i].type=='checkbox')
    {
      checkboxes[i].checked = source.checked;
    }
  }
}
</script>

<input type="checkbox" onClick="checkall(this)" /> Check All

<input type="checkbox" name="foo[]" value="1">  1
<input type="checkbox" name="foo[]" value="2">  2
<input type="checkbox" name="foo[]" value="3">  3
<input type="checkbox" name="foo[]" value="4">  4
answer Jul 8, 2014 by Rahul Mahajan
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