<script type="text/javascript"> var mychar= document.getElementById('con'); document.write("原標題:"+mychar.innerHTML+"<br>"); //輸出原h(huán)2標簽內(nèi)容 mychar.innerHTML = "hello world!"; document.write("修改后的標題:"+mychar.innerHTML); //輸出修改后h2標簽內(nèi)容 </script>
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