JavaScript³£Óú¯ÊýÒÔ¼°Óï·¨
.×Ö·û´®(String)
1.ÉùÃ÷
var myString = new String("Every good boy does fine.");
var myString = "Every good boy does fine.";
2.×Ö·û´®Á¬½Ó
var myString = "Every " + "good boy " + "does fine.";
var myString = "Every "; myString += "good boy does fine.";
3.½ØÈ¡×Ö·û´®
//½ØÈ¡µÚ 6 λ¿ªÊ¼µÄ×Ö·û
var myString = "Every good boy does fine.";
var section = myString.substring(6); //½á¹û: "good boy does
fine."
//½ØÈ¡µÚ 0 λ¿ªÊ¼ÖÁµÚ 10 λΪֹµÄ×Ö·û
var myString = "Every good boy does fine.";
var section = myString.substring(0,10); //½á¹û: "Every good"
//½ØÈ¡´ÓµÚ 11 λµ½µ¹ÊýµÚ 6 λΪֹµÄ×Ö·û
var myString = "Every good boy does fine.";
var section = myString.slice(11,-6); //½á¹û: "boy does"
//´ÓµÚ 6 λ¿ªÊ¼½ØÈ¡³¤¶ÈΪ 4 µÄ×Ö·û
var myString = "Every good boy does fine.";
var section = myString.substr(6,4); //½á¹û: "good"
4.ת»»´óСд
var myString = "Hello";
var lcString = myString.toLowerCase(); //½á¹û: "hello"
var ucString = myString.toUpperCase(); //½á¹û: "HELLO"
5.×Ö·û´®±È½Ï
var aString = "Hello!";
var bString = new String(&q
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