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- https://eng.libretexts.org/Bookshelves/Computer_Science/Programming_Languages/Eloquent_JavaScript_(Haverbeke)/Part_1%3A_Language/04%3A_Objects_and_ArraysThen add a helper function prepend, which takes an element and a list and creates a new list that adds the element to the front of the input list, and nth, which takes a list and a number and returns ...Then add a helper function prepend, which takes an element and a list and creates a new list that adds the element to the front of the input list, and nth, which takes a list and a number and returns the element at the given position in the list (with zero referring to the first element) or undefined when there is no such element.
- https://eng.libretexts.org/Bookshelves/Computer_Science/Programming_Languages/Eloquent_JavaScript_(Haverbeke)/Part_3%3A_Node
- https://eng.libretexts.org/Bookshelves/Computer_Science/Programming_Languages/Eloquent_JavaScript_(Haverbeke)/Part_1%3A_Language/07%3A_Project_-_A_RobotTheory is necessary to learn to program, but reading and understanding actual programs is just as important. Our project in this chapter is to build an automaton, a little program that performs a tas...Theory is necessary to learn to program, but reading and understanding actual programs is just as important. Our project in this chapter is to build an automaton, a little program that performs a task in a virtual world. Our automaton will be a mail-delivery robot picking up and dropping off parcels.
- https://eng.libretexts.org/Bookshelves/Computer_Science/Programming_Languages/Eloquent_JavaScript_(Haverbeke)/Part_1%3A_Language/11%3A_Asynchronous_ProgrammingTo be able to quickly track it down, every time the scalpel is moved to another nest, an entry is added to the storage of both the nest that had it and the nest that took it, under the name "scalpel",...To be able to quickly track it down, every time the scalpel is moved to another nest, an entry is added to the storage of both the nest that had it and the nest that took it, under the name "scalpel", with its new location as the value. Just pass the reject function of the wrapping promise to each of the promises in the array as a catch handler or as a second argument to then so that a failure in one of them triggers the rejection of the whole wrapper promise.
- https://eng.libretexts.org/Bookshelves/Computer_Science/Programming_Languages/Eloquent_JavaScript_(Haverbeke)/00%3A_Front_Matter/02%3A_InfoPageThe LibreTexts libraries are Powered by NICE CXOne and are supported by the Department of Education Open Textbook Pilot Project, the UC Davis Office of the Provost, the UC Davis Library, the Californi...The LibreTexts libraries are Powered by NICE CXOne and are supported by the Department of Education Open Textbook Pilot Project, the UC Davis Office of the Provost, the UC Davis Library, the California State University Affordable Learning Solutions Program, and Merlot.
- https://eng.libretexts.org/Bookshelves/Computer_Science/Programming_Languages/Eloquent_JavaScript_(Haverbeke)/Part_2%3A_Browser/16%3A_Project_-_A_Platform_GameBy adding the level’s current status as a class name to the wrapper, we can style the player actor slightly differently when the game is won or lost by adding a CSS rule that takes effect only when th...By adding the level’s current status as a class name to the wrapper, we can style the player actor slightly differently when the game is won or lost by adding a CSS rule that takes effect only when the player has an ancestor element with a given class. When the level is finished (lost or won), runLevel waits one more second (to let the user see what happens) and then clears the display, stops the animation, and resolves the promise to the game’s end status.
- https://eng.libretexts.org/Bookshelves/Computer_Science/Programming_Languages/Eloquent_JavaScript_(Haverbeke)/00%3A_Front_Matter
- https://eng.libretexts.org/Bookshelves/Computer_Science/Programming_Languages/Eloquent_JavaScript_(Haverbeke)/00%3A_Front_Matter/01%3A_TitlePageBook: Eloquent JavaScript - Haverbeke
- https://eng.libretexts.org/Bookshelves/Computer_Science/Programming_Languages/Eloquent_JavaScript_(Haverbeke)/Part_1%3A_Language/05%3A_Higher-order_FunctionsSuch an object tells us the name of the script, the Unicode ranges assigned to it, the direction in which it is written, the (approximate) origin time, whether it is still in use, and a link to more i...Such an object tells us the name of the script, the Unicode ranges assigned to it, the direction in which it is written, the (approximate) origin time, whether it is still in use, and a link to more information. Use the reduce method in combination with the concat method to “flatten” an array of arrays into a single array that has all the elements of the original arrays.
- https://eng.libretexts.org/Bookshelves/Computer_Science/Programming_Languages/Eloquent_JavaScript_(Haverbeke)/Part_1%3A_Language
- https://eng.libretexts.org/Bookshelves/Computer_Science/Programming_Languages/Eloquent_JavaScript_(Haverbeke)/Part_1%3A_Language/02%3A_Program_StructureIt could display something on the screen—that counts as changing the world—or it could change the internal state of the machine in a way that will affect the statements that come after it. You can sta...It could display something on the screen—that counts as changing the world—or it could change the internal state of the machine in a way that will affect the statements that come after it. You can start with a program that prints out the numbers 1 to 7, which you can derive by making a few modifications to the even number printing example given earlier in the chapter, where the for loop was introduced.
