SetTimeout () method Title property make dynamic title bar

Article Introduction: The main technique of implementing the dynamic title bar is the title property of the Document object to modify the information in the title bar of the page and the SetTimeout () method of the window image to modify the information in the title property at a specified interval. The following is a brief introduction to the SetTimeout method.

The main technique of implementing the Dynamic title bar is the title property of the Document object to modify the information in the title bar of the page and the SetTimeout () method of the window image to modify the information in the title property at a specified interval. The following is a brief introduction to the SetTimeout method.

Syntax: settimeout (function,milliseconds)

Parameter description:

1. Function: The name of the JavaScript custom function to invoke.

2. Milliseconds: Sets the time-out period in milliseconds.

Write code to implement the dynamic title bar:

<script type= "Text/javascript" >

var pp;

var n=0;

function title () {

n++;

if (n===3) {n=1}

if (n===1) {document.title= ' ———— dynamic title bar ———— '}

if (n===2) {document.title= ' today is such webjx... '}

SetTimeout ("title ()", 1000);

}

Title ();

</script>