Ask about jquery control display div_html/css_WEB-ITnose

There are three li in three uls. Each li control displays a layer

The following code cannot be implemented: why?

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function_exists() cannot determine the custom function Function test () {return true;} if (function_exists ('test')) {echo "test is function...

From 2024-04-29 11:01:01

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The child window operates the parent window, but the output does not respond. The first two sentences are executable, but the last sentence cannot be implemented.

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There is no output in the parent window document.onclick = function(){ window.opener.document.write('I am the output of the child ...

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