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js 获得焦点
<!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>csdn_test</title><script>function test(){ document.getElementById("test").focus(); document.getElementById("test").select();}</script></head><body><input type="text" id="test" /><input type="button" value="选中" id="btn" onclick="test()" /></body>普通分类: