The lower left corner of the Web page shows javascript:void (0). Solving

In JavaScript, Void is an operator that specifies that you want to evaluate an expression but not return a value.





void operator Usage format is as follows:





1. Javascript:void (expression) 2. Javascript:void expression





Description




The
void operator is evaluated over an expression and returns undefined. The operator is most useful when you want the value of an expression but do not want the remainder of the script to see this result.





such as: <a href= "javascript:void (0)" > click here to see Effect </a>





//Actually click here to do nothing, to perform some processing, but not to refresh the page as a whole, you can use void (0), but if you need to refresh the page, it will be careful. Specifies the hyperlink with the void operator. The expression is evaluated but does not load any content in the current document. The code for the page creates a hyperlink, and nothing happens when the user clicks on it. When the user clicks on the link, void (0) evaluates to 0, but there is no effect on JavaScript.





such as: <a href= "Javascript:void (Document.form.submit ())" > Click here to submit the form </a>//The user will submit the form when clicked





Note: The difference between <a href= "#" > Single </a> and <a href= "javascript:void (0)" > Single </a>: #只是包含一个位置信息, the default anchor is #top, The top of the page. Javascript:void (0) is a link that does not work.





Custom Function





<script>





function Openwin (tag,obj)





　　{





obj.target= "_blank"; Open Mode





obj.href = "page address. aspx parameter name =" +TAG; Open Address





Obj.click (); Instructions to start





　　}





</script>





help you with the problem and "the lower left corner of the page shows Javascript:void (0)." Irrelevant and you see if you're disabling JavaScript yourself