textObj.appendData(data);

where:

• data is a string to be appended to the text node data.

Let's create a text node at the document level. We put the following line in the header of this tip:

txtObj = document.createTextNode("Doc JavaScript");

and then let's append the string " Tip of the Day" to it:

<FORM>
<INPUT TYPE="button" VALUE="Append a String" 
       onClick="javascript:handleClick()">
</FORM>

and here is the function handleClick() we put in the header of this tip:

function handleClick() {
  txtObj.appendData(" Tip of the Day");
  alert(txtObj.data);
}

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