代码示例:(标识:js_string_search_locate)
<!DOCTYPE html>
<html>
<body>

<h2>JavaScript String 方法</h2>

<p>search() 方法返回指定文本在字符串中第一次出现的位置:</p>

<p id="demo"></p>

<script>
let str = "Please locate where 'locate' occurs!";
document.getElementById("demo").innerHTML = str.search("locate");
</script>

</body>
</html>
运行结果: