我想将这个url中的“?jumpTo=purchasePlan”去掉，就用了History.js中的方法：History.pushState()方法

http://10.xx.xx.xx/main?jumpTo=purchasePlan

在谷歌火狐上都行，但是在IE9上，“?jumpTo=purchasePlan”去不掉
例子中的：

History.pushState({state:1}, "State 1", "?state=1"); // logs {state:1}, "State 1", "?state=1"
    History.pushState({state:2}, "State 2", "?state=2"); // logs {state:2}, "State 2", "?state=2"
    History.replaceState({state:3}, "State 3", "?state=3"); // logs {state:3}, "State 3", "?state=3"
    History.pushState(null, null, "?state=4");

这些方法我都试过，都不行，只是将url该成了这样：“http://10.xx.xx.xx/main?jumpT...”
请问ie9上有方法去掉：“?jumpTo=purchasePlan”吗？
谢谢！