------------------------------------------------ ------------------------------------If it is a #, there will be a jump To reach the top situation, several solutions from personal collection:
-------------------------- -------------------------------------------------- --Use JavaScript with caution:void(0)void is an operator in JavaScript, which specifies that an expression should be calculated but does not return a value.
expression is a JavaScript standard expression to be evaluated. The parentheses outside the expression are optional, but it is a good habit to write them using the void operation. specifies a hyperlink. The expression will be evaluated but nothing will be loaded into the current document. The code below creates a hyperlink and nothing will happen when the user clicks the link. void(0 ) is calculated as 0, but has no effect on JavaScript
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