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How to use document.write and innerhtml

document.write and innerhtml both the functions are useful to adding the dynamic content in in Document.

Both function are many times used by developer in javascript functions, Ajax calls, Web services and many JS libraries.

So We need understand the similarities and differences and limitation about document.write and innerhtml.

First whenever and where you calls document.write function that more important.

Here I am going to show you how to use the document.write first.

<script type="text/javascript">

var hello_world = function() {
document.write('Wordpressapi is good website'); // print hello world in DOM

var mytext = "Wordpressapi is best website";
document.write(mytext); // print again through variable.

}
</script>

Using above code you can print or execute the so much HTML content in DOM.

Here I am going to show you how to use the innerHTML in DOM.

<script type="text/javascript">
document.getElementById('sample_Div').innerHTML="Wordpressapi is good website"; // add simple text
//document.getElementById('sample_Div').innerHTML="<img src=sample.jpg></img>"; // add image
</script>

Note: In your document “sample_Div” id with div need to be present.
put following code in your document.

<div id=\"sample_Div\">
Sample Text
</div>

Loading iframe using innerhtml is the best techniqe and solution for web services and cross domain calls.

document.getElementById('sample_Div').innerHTML = "<iframe src='http://images.wordpressapi.com/'></iframe>";

Both the techniques are stand for as per situation and use

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