What does JavaScript void 0 mean?

In JavaScript, void is an operator that specifies to calculate an expression but does not return a value. The format of the void operator is as follows: 1. javascript: void (expression) 2. javascript: void expressionexpression is a standard JavaScript expression to be calculated. Parentheses outside the expression are optional, but it is a good habit to write them. (Implement version navigator 3.0) you use the void operator to specify the hyperlink. The expression is calculated, but no content is loaded in the current document. The following Code A hyperlink is created so that nothing will happen to the user in the future. When a user links, void (0) is calculated as 0, but JavaScript has no effect. <A href = "javascript: void (0)"> nothing happens here. </a> the code below creates a hyperlink. A form is submitted when a user makes a ticket. <A href = "javascript: void (document. form. submit () "> submit a form here </a> a href = # With a href = javascript: void (0) different link methods # contains a location information default anchor is # top is the top of the page and javascript: void (0) it only indicates a dead link. This is why sometimes a long page browsing link is clearly # It is hitting the top and javascript: void (0) this is not the case. When calling the script, it is best to use several methods such as void (0) or <input onclick> <Div onclick>. window. open (''url') 2. use a custom function <SCRIPT> function openwin (TAG, OBJ) {obj.tar get = "_ blank"; obj. href = "Web/substation/substatio N. aspx? Stationno = "+ tag; obj. click () ;}</SCRIPT> <a href = "javascript: void (0)" onclick = "openwin (3, this)"> Zhuzhou </a>

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