, the first print is [object Object], and the second won't print undefined.
function User(name, passwordHash) { this.name = name; this.passwordHash = passwordHash; } var u = new User("sfalken", "0ef33ae791068ec64b502d6cb0191387"); u.name; // "sfalken"
Use the new key to call the function as a constructor. Unlike function and method calls, constructor will pass in a new object and bind it to this, and then return this object as the return value of constructor. The function of constructor
Boolean object with the same value as obj
Object
Obj object itself
For example:Copy codeThe Code is as follows: var num = 123;Console. log (num. valueOf (); // output: 123Console. log (num. valueOf (); // output: 'number'
Var unde = undefined;Console. log (Object. prototype. valueOf. call (unde); // output: 'typeerror: Cannot convert null to Object'
Var obj = {name: 'casper '};Var linkObj = obj. valueOf ();LinkObj. name = 'change
Ubuntulive-cd provides the iso file boot function. you only need to add the bootcasperiso-scan/filename/path/to/filename. iso parameter to the kernel boot. The following grub2 boot ubuntu-11.10-desktop-i386.iso from the U disk as an example. (Assume that the USB flash drive is only... ubuntu live-cd provides the iso file boot function, as long as you add the parameter boot = casper iso-scan/filename =/path/to/filename to the kernel boot. iso.
The fol
Boolean object with the same value as obj
Object
Obj object itself
For example:
Copy codeThe Code is as follows:
Var num = 123;
Console. log (num. valueOf (); // output: 123
Console. log (num. valueOf (); // output: 'number'
Var unde = undefined;
Console. log (Object. prototype. valueOf. call (unde); // output: 'typeerror: Cannot convert null to Object'
Var obj = {name: 'casper '};
Var linkObj = obj. valueOf ();
LinkObj. name
the reporter that the central bank's currency control should be proactive, targeted, and forward-looking under the new normal. On the one hand, the fundamentals of the economy have changed under the new normal. Therefore, we must first adapt to this trend in terms of the currency policy. At the same time, the new norm cannot be said that there are too many fluctuations in the economy, and the monetary policy should also be well grasped. "In my opinion, 2015 is essentially no different. Whether
Every day on the A5, do not share their own building experience, I feel very sorry to everyone, but also be a grumble bar ...
My website is in the case of insufficient funds to do, from the founder to now experience 2 months, the current team of 3 people, work together to develop. In December, as the embryonic site has been formed, to consider speeding up development, to know what to do now need money, I believe this is also the majority of Stationmaster's first problem. Yes, we are lack of fun
650) this.width=650; "src=" Http://s1.51cto.com/wyfs02/M00/7E/71/wKiom1b_lAawqKpuAAG9ulJHUH8539.jpg "title=" Ali first CTO, Wind and investment Chairman Co 1.jpg "alt=" Wkiom1b_laawqkpuaag9uljhuh8539.jpg "/>(for Ali's first CTO, Wind and investment Co, Chairman of the Fund)Into the March 2016, enterprise-class software entrepreneurship has been good news. First, a number of Docker startups announced a 30 million yuan a round of financing, followed by
is that your product performs specific tasks for users. For example, if eBay fails, it will cause huge losses to users, twitter errors only make people laugh. Ebay must be cautious, because 1.3 million of enterprises rely on the stability of its services, so there is no error.
4. Time is money
Well-known angel investor Paul GrahamGraham) there is a saying that excellent entrepreneurs will use their own resources with embarrassment. I have a bad problem, that is, I like to bargain for fun. For
TypeError is thrown.
Number
Number Type object with the value equal to obj
String
String type object with the value equal to obj
Boolean
Boolean object with the same value as obj
Object
Obj object itself
For example:
The Code is as follows:
Var num = 123;Console. log (num. valueOf (); // output: 123Console. log (num. valueOf (); // output: 'number'Var unde = undefined;Console. log (Object. prototype. valueOf. call (unde); // output: 'type
Casperjs API-colorizer ModuleThe colorizer module contains a Colorizer class that can generate a standardized color string: var colorizer = require ('colorizer '). create ('colorizer'); console. log (colorizer. colorize ("Hello World", "INFO"); in most cases, you will use it using the CASPER echo () method. Casper. echo ('an Ive message', 'info'); // printed in greencasper. echo ('an error message', 'error'
object of type string, with a value equal to obj
Boolean
A Boolean object with a value equal to obj
Object
The Obj object itself
Give a few specific examples:Copy CodeThe code is as follows: var num = 123;Console.log (Num.valueof ()); Output: 123 Console.log (Num.valueof ()); Output: ' Number 'var unde = undefined;Console.log (Object.prototype.valueOf.call (unde)); Output: ' Typeerror:cannot convert null to object 'var obj = {name: '
/mnt/sdb2mount-text3/dev /sdb2/mnt/sdb2, after unmounting the bt5 disc, copy the casper and preseed folders to the root directory of the first partition. Put the entire CD iso file of linux deepin into the root directory of the second partition. Then install grub to/mnt/sdb1grub-install -- root-directory =/mnt/sdb1/dev/sdb to/boot/grub. copy the conf file to the directory corresponding to the USB flash drive and edit grub. conf [html] timeout 20 defau
This installs the BT4 by default cannot save the configuration, each time you change the setting, the next reboot does not have. Download a compressed package called "Savefile.rar" on the internet, size 40K or so, this is BT4 can save the configuration key, of course, there are other ways, but this is the simplest. Decompression that compressed package, there is a corresponding size, choose a suitable size, used as a BT4 to save the configuration of space, I am a 8G u disk, selected a 2G, and th
partitions, the failure experience in the middle is not described here. Here we only talk about the snacks:
Machine configuration: GB hard disk, partition composition: 1, 20 gb ntfs primary partition; 2, gb ntfs extended partition (50 GB, 60 GB logical partition ); 3. Leave the remaining 20 GB of partitions to Ubuntu
First, install grub4dos:
1. Download grldr、initrd.gz and menu. lst (many grub introductions on the Internet ).
2. Edit the boot. ini file in XP: 1 [boot loader]
2 timeout = 15
3 de
file CD file
$ mkdir UBUNTU-LIVECD
$ cp-a/mnt/. Ubuntu-livecd
$ chmod-r u+w UBUNTU-LIVECD
$ sudo umount/mnt
Since the CD contains a lot of free software under Windows, let's delete unnecessary files. Of course you can keep it.
$ RM-RF $WORK/ubuntu-livecd/programs
Hang up the compressed file in the CD, and in this way you can see a full Linux operating system directory in the $work/old directory.
$ mkdir $WORK/old
$ sudo mount-t squashfs-o loop,ro $WORK/UBUNTU-LIVECD/
.
Work experience
2014.01-2014.11 XXX Co., Ltd. Java Programmer
Project experience
2014.01-2014.5 Financing SystemSoftware bad environment: Tomcat6.0, Oracle, Windows 7,ie8.0 and above, FireFoxDevelopment tools: MyEclipse6.5, JDK 6.0, SQL DeveloperProject Description: This system for the emerging small business loans difficult, bank savings interest rate is not high and design, the
Renyi, when you build this relationship, you expand your circle. The other investor does not invest in your project now, certainly has the reason which he does not vote, but now does not vote does not equal later not to vote, he does not vote does not mean that he does not have to the other investors around him to introduce your project.
Four, do not treat investors as fools, many people, especially those who do not have much business experience, always think they are very smart. Hui Jian once
Angel Investment (AI): Occurs in the company's start-up period, refers to the company has a preliminary appearance of the product, you can take to see people, have a preliminary business model, accumulated a number of core users. Investment sources are generally angel investors, angel investment institutions. Investment level generally in 1 million RMB to 10 million RMB. A round of financing: The company's products have a mature appearance, began norm
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