低版本浏览器不兼容relaceAll 用正则+replace替换
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<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>低版本浏览器不兼容relaceAll 用正则+replace替换</title>
</head>
<body>
<script type="text/javascript">
const str = 'foo-bar';
// 这种方法2
const re = new RegExp('foo','g');
const result1 = str.replace(str.match(re),'moo');
// 正则方法2
const result2 = str.replace(/foo/g, 'moo');
// output: 'moo-bar'
console.log(result1);
console.log(result2);
</script>
</body>
</html>