js如果window.location.href不匹配，那麼跳轉到

Question

如何判斷一個window.location.href？

如果window.location.href不匹配?search=，使當前的URL跳轉到http://localhost/search?search=car

我的代碼無法工作，或者我應該使用indexOf，使法官？謝謝。

if(!window.location.href.match('?search='){ 
    window.location.href = 'http://localhost/search?search=car'; 
} 

Answer 1

一些事情：你錯過了一個關閉paren，你需要逃避？因爲它對正則表達式很重要。使用/ \？search = /或'\？search ='。

// Create a regular expression with a string, so the backslash needs to be 
// escaped as well. 
if (!window.location.href.match('\\?search=')) { 
    window.location.href = 'http://localhost/search?search=car'; 
} 

或

// Create a regular expression with the /.../ construct, so the backslash 
// does not need to be escaped. 
if (!window.location.href.match(/\?search=/)) { 
    window.location.href = 'http://localhost/search?search=car'; 
}