window.location.href = window.location.href jump no response a hyperlink onclick event writing method_javascript skills

Wrong writing, mainly in href="#"

Copy code The code is as follows:

Wrong writing, mainly in href="#" here

The script is as follows

Copy code The code is as follows:

if (data == "Sent successfully") {
                                           alert(data);
The correct way to write href is followed by javascript:void(0). If it is IE6, it is best to add a return false after onclick

1:

Copy code

The code is as follows:Send

2:

Copy code

The code is as follows:Send

3: This writing method is recommended, ie6 can perfectly support it

Copy code

The code is as follows:Send

The above three ways of writing seem to work, and there is no difference. When the buttonClick function returns return false, it also prevents the function from continuing to run.