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源代码：
点击运行
<!DOCTYPE html> <html> <head> <script> function displayResult() { document.getElementById("div1").style.lineHeight="2"; } </script> </head> <body> <div id="div1"> 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. 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()">Change line height</button> </body> </html>
运行结果
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