Window.location.search effect

WINDOW.LOCATION.SEARCH.SUBSTR (1). Split ("&") the relevant properties and time parameters can be specified?
Window.location
Window's Location object

Search
Get the URL in the query section

SUBSTR ()
Returns a substring of the specified length starting at the specified position
This is set to 1 to remove the number from the URL.

Split ()
Splits a string into substrings and returns the result as an array of strings
This is to divide the query section with & As a separator.

Test: Save the following code as 1.htm
Attention is 1.htm.
<script language= "JavaScript" >
Alert (WINDOW.LOCATION.SEARCH.SUBSTR (1). Split ("&"))
</script>

The following is the page
<a href= "1.htm?topic=1&id=2" > Testing </a>