Basic JavaScript demo skills

1. JavaScript to get the URL "? "Following parameters:

VaR query = Window. Location. Search. substring (1 );
VaR pairs = query. Split ("&");

2. The default function of IE browser is disabled.
(The movement of the tab key in the address bar is stopped)CopyCodeThe Code is as follows: function stopdefaultkey (){
Window. event. cancelbubble = true; // --- cancel the event bubble.
Window. event. returnvalue = false; // The Event returns false.
Return false;
}

3. Javascript static variables, declared once in the same JS file, available in multiple places
This. variable name

4. Javascript keycode

Event. keycode = 13 enter
Event. keycode = 9 Tab