10.2"JavaScript".search(/script/i);
search()返回匹配的第一个子串的起始位置,找不到匹配的子串将返回-1。不支持全局检索。
replace()1
2// No matter how it is capitalized, replace it with the correct capitalization
text.replace(/javascript/gi, "JavaScript");
10.2"JavaScript".search(/script/i);
search()返回匹配的第一个子串的起始位置,找不到匹配的子串将返回-1。不支持全局检索。
replace()1
2// No matter how it is capitalized, replace it with the correct capitalization
text.replace(/javascript/gi, "JavaScript");