The strange if-else, javascriptif-else in javascript
Recently, my head is a bit dizzy. When I write the if-else code in javascript, I actually added conditions to else. The Code is as follows:
Run this script in IE9 and chrome, and no js error is
In fact, the meaning of "if else" is the same as the literal meaning, that is, "if" or "otherwise". Let's take a look at an example that uses if.
If you're writing a program for a robot, the robot's function is to evaluate the user's hobby.
Robot:
What else do you know if you want to traverse the for loop? Various traversal methods of--javascriptThis is an interview in a topic, then I use the current very hot words, the whole person is ignorant, I stayed to say a sentence, I seem to only know
In ECMAScript, the two most common methods for creating a function are function expressions and function declarations.
In ECMAScript, the two most common methods for creating a function are function expressions and function declarations. The
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In Javascrip, a function is a built-in class object, which means that it is a type of object that can be used for the management of built-in objects just like other objects of the string, Array, number, and object classes. Because the function is
My answer is, more than two else if, or switch for more than two case. But is it normal to use a lot of if else and switch case in your code? Wrong! Most of the more than two of the if else and switch case should not appear as hard coded (hard-coded)
My answer is: If of more than two else, or switch of more than two cases. However
Code Is it normal to use if else and switch case in large quantities? Error! If else and switch case with more than two branches should not be hard-coded.
Where
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