<script>
// 替换字符串 replace('被替换的字符','替换为的字符') 它只会替换掉第一个字符
var str = "andyandy ";
console.log(str.replace("a, b")); //把a替换掉换成b
// 有一个字符串'abcoefoxyozzopp'要求把里面所有o替换为*
var str1 = "abcoefoxyozzopp";
while (str1.indexOf("o") !== -1) {
str1 = str1.replace("o", "*");
}
console.log(str1);
// 字符转换为数组 split('分隔符')
let num = "pink blue red";
console.log(num.split(","));
let num1 = "pink&blue&red";
console.log(num1.split("&"));
</script>