论坛 › Web开发 › JavaScript for in语句

feiyang10086 发表于 2011-12-09 16:39

JavaScript for in语句

JavaScript for in语句













Js代码1.var tom = {name: 'Tom', gender: 'Male', age: 17};   
2.for (att in tom) {   
3.    alert('tom.' + att + ' = ' + tom);   
4.}   
5.
6.var protocols = ['HTTP', 'FTP', 'SMTP'];   
7.for (index in protocols) {   
8.    alert('protocols[' + index + '] = ' + protocols);   
9.}
var tom = {name: 'Tom', gender: 'Male', age: 17};
for (att in tom) {
        alert('tom.' + att + ' = ' + tom);
}

var protocols = ['HTTP', 'FTP', 'SMTP'];
for (index in protocols) {
        alert('protocols[' + index + '] = ' + protocols);
}

寂寞冲咖啡 发表于 2011-12-24 20:25

谢谢分享希望于楼主多多交流

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