js compatible carriage return and mouse focus event codes for multiple browsers (IE6/7/8, firefox, chrome)_javascript skills

Text box:

Copy code The code is as follows:

js code:

Copy code The code is as follows:

function keydownsearch(evt)
{
evt = (evt) ? evt : ((window.event) ? window.event : "")
keyCode = evt.keyCode ? evt.keyCode : (evt.which ? evt.which : evt.charCode);
if (keyCode == 13) {
search();//Search event
}
}