<script type="text/javascript"> var cityJson = "["北京","上海","深圳"]"; //替换后cityJson="["北京","上海","深圳"]"; cityJson = cityJson.replace("\"", "\""); </script>
js字符串替换支持正则表达式替换,用这种方法可以实现全部替换。
<script type="text/javascript"> var cityJson = "["北京","上海","深圳"]"; //正则表达式两端必须加上/,默认只替换一处 //替换后cityJson="["北京","上海","深圳"]"; cityJson = cityJson.replace(/\"/, "\""); </script>
<script type="text/javascript"> var cityJson = "["北京","上海","深圳"]"; //正则表达式两端必须加上/,末尾是/g可全部替换 //替换后cityJson="["北京","上海","深圳"]"; cityJson = cityJson.replace(/\"/, "\""); </script>
<script type="text/javascript"> var cityJson = "["北京","上海","深圳"]"; cityJson = cityJson.replace(/\"/, "\""); //JSON.parse()可将普通字符串转换为Json字符串 //var array = ["北京","上海","深圳"]; var array = JSON.parse(cityJson); for (var item in array) { if (array[item] == "北京") { role = "管理员"; } } </script>