Gxlsystem TIY Editor
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<!DOCTYPE html> <html> <body> <h2>JavaScript 字符串</h2> <p>您可以在字符串内使用引号，只要这些引号与包围字符串的引号不匹配：</p> <p id="demo"></p> <script> var answer1 = "It's alright"; // 双引号内的单引号 var answer2 = "He is called 'Bill'"; // 双引号内的单引号 var answer3 = 'He is called "Bill"'; // 单引号内的双引号 document.getElementById("demo").innerHTML = answer1 + "<br>" + answer2 + "<br>" + answer3; </script> </body> </html>