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源代码：
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<!DOCTYPE html> <html> <head> <script> function displayResult() { document.getElementById("div1").style.whiteSpace="pre"; } </script> </head> <body> <div id="div1"> This is so me text. This is some tex t. This is some text. This is some text. This is some text. This is some text. This is some text. This is some text. This is some text. </div> <br> <button type="button" onclick="displayResult()">Preserve whitespace and line breaks</button> </body> </html>
运行结果
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