javascript demo basic skills_javascript skills

1.javascript gets the parameters after the URL "?":

var query = window.location.search.substring(1);
var pairs = query.split("& ");

2. The default function of IE browser stops
(the movement of the Tab key in the address bar, etc. stops)

Copy code The code is as follows:

function stopDefaultKey(){
window.event.cancelBubble = true; //---Cancel the The bubbling of events.
window.event.returnValue = false; //The event returns a false value.
return false ;
}

3.javascript static variable, 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