Href = "#" And href = "javascript: void (0 )"

Common <SPAN class = 'wp _ keywordlink '> Code </span>: <br/> <a href = "javascript: dotest2 (); void (0); "mce_href =" javascript: dotest2 (); void (0); "> here </a> <br/> but here void (0) what exactly does it mean? <Br/> in Javascript, void is an operator that specifies to calculate an expression but does not return a value. <Br/> the format of the void operator is as follows: <br/> 1. javascript: void (expression) <br/> 2. javascript: void expression <br/> expression is a standard JavaScript expression to be calculated. Parentheses outside the expression are optional, but it is a good habit to write them. (Implementation version: navigator 3.0) <br/> you use the void operator to specify the hyperlink. The expression is calculated, but no content is loaded in the current document. <Br/> the following code creates a hyperlink. Nothing will happen to the user in the future. When a user links, void (0) is calculated as 0, but JavaScript has no effect. <Br/> <a href = "javascript: void (0)" mce_href = "javascript: void (0) "> nothing happens here. </a> <br/> the code below creates a hyperlink. A form is submitted when a user makes a ticket. <Br/> <a href = "javascript: void (document. form. submit () "mce_href =" javascript: void (document. form. submit () "> <br/> submit a form here </a> <br/> a href = # With a href = javascript: void (0) <br/> # contains a location information <br/> the default anchor is # top, that is, the top of the web page <br/> and javascript: void (0) indicates only one dead link. <br/> This is why a long page browsing link is clearly # Yes <br/> hitting the top. <br/> javascript: void (0) is not the case. <br/> therefore, it is best to use void (0) when calling the script) <br/> or <input onclick> <br/> <Div onclick> and other <br/> links Several methods <br/> 1. window. open (''url') <br/> 2. use a custom function <br/> <MCE: Script Type = "text/JavaScript"> <! -- </P>