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如下所示：
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>JavaScript計算值</title></head><body><p>假設y=5,計算x=y+2,並顯示結果.</p><button type="button" onclick="myFunction()">點擊這裡</button><p id="pid"></p><script>function myFunction(){var y=5;var x=y+2;var demoP=document.getElementById("pid");demoP.innerHTML="x="+x;}</script></body></html>
以上就是小編為大家帶來的JavaScript計算值然後把值嵌入到html中的實現方法全部內容了，希望大家多多支援雲棲社區~
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