我学习节点JS和我得到预期的对象,在1号线的Microsoft JScript运行时错误运行代码时对象预计微软的Jscript运行时错误 - 节点JS
var fs = require('fs');
function FileObject() {
this.filename = null;
this.exists = function(callback) {
var self = this;
fs.open(this.filename, 'r', function(err, handle){
if(err){
console.log(self.filename+ 'does Not exist');
callback(false);
}
else {
console.log(self.filename+ 'does Exist Indeed');
callback(true);
fs.close(handle);
}
});
};
}
var fo = new FileObject();
fo.filename = 'doesnotexist';
fo.exists(function(does_it_exist) {
console.log('results from exists:' + does_it_exist);
});
*您如何运行此脚本? – apsillers 2014-09-30 19:47:19
我试图从命令提示符运行代码 – SankarSV4791 2014-10-05 16:44:33
您能准确地显示您是如何尝试从命令行执行脚本的吗? – mscdex 2014-10-05 17:29:30