如果字符串保证在开头和结尾有一个引号(或任何其他单个字符)，你想删除:

str = str.slice(1, -1);

Slice的开销比正则表达式小得多。

使用replaceAll

const someStr = 'He said "Hello, my name is Foo"';

console.log(someStr.replaceAll('"', '')); 

// => 'He said Hello, my name is Foo'

如果您试图删除双引号，请尝试以下操作

  var Stringstr = "\"I am here\"";
  var mystring = String(Stringstr);
  mystring = mystring.substring(1, mystring.length - 1);
  alert(mystring);

如果你想要老派，使用REGEX 1，$s/"//g

这工作…

var string1 = "'foo'"; var string2 = '"bar"'; function removeFirstAndLastQuotes(str){ var firstChar = str.charAt(0); var lastChar = str[str.length -1]; //double quotes if(firstChar && lastChar === String.fromCharCode(34)){ str = str.slice(1, -1); } //single quotes if(firstChar && lastChar === String.fromCharCode(39)){ str = str.slice(1, -1); } return str; } console.log(removeFirstAndLastQuotes(string1)); console.log(removeFirstAndLastQuotes(string2));

如果要删除字符串中的所有双引号，请使用

var str = '"some "quoted" string"';
console.log( str.replace(/"/g, '') );
// some quoted string

否则，你想要删除字符串周围的引号，使用:

var str = '"some "quoted" string"';
console.log( clean = str.replace(/^"|"$/g, '') );
// some "quoted" string