Page for controlling keyboard shortcuts using javascript onkeydown

IE only mouse left and right keys control Previous Page
<Script type = "text/javascript">
<! --
Var preview_page = "14671.html ";
Var next_page = "14675.html ";
Var index_page = "index.html ";
Var article_id = "305 ";
Var chapter_id = "14674 ";

Function jumpPage (){
If (event. keyCode = 37) location = preview_page;
If (event. keyCode = 39) location = next_page;
If (event. keyCode = 13) location = index_page;
}
Document. onkeydown = jumpPage;
<:/Script>

<Script>
// Qidian
Prevpage = '2017 24741. aspx ';
Nextpage = '1970 24757. aspx ';
Bookpage = '/Book/1006900. aspx'
Var prevpage;
Var nextpage;
Var bookpage;
Function pageEvent (event)
{
Event = event? Event: (window. event? Window. event:
Null );
If (event. keyCode = 13)
{
Location = bookpage
Return false;
}

If (event. keyCode = 37) location = prevpage

If (event. keyCode = 39) location = nextpage
}
Document. onkeydown = pageEvent;
-->
</Script>
Compatible with classic IE and firefox

[Ctrl + A select all Note: If you need to introduce external Js, You need to refresh it to execute]