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<!DOCTYPE html>
<html>
<title>JavaScript 正则表达式字符替换示例 - 基础教程(div.cn)</title>
<body>
<p>单击按钮查找并用字符串中的连字符替换空格:</p>
<button onclick="myFunc()">Click</button>
<p id="output"></p>
<script>
function myFunc() {
var str = "Earth revolves around the Sun";
var patt = /\s/g;
var replacement = "-";
var res = str.replace(patt, replacement);
document.getElementById("output").innerHTML = res;
}
</script>
</body>
</html>