Quote by Eric Freeman Download Open image ““A function without a return statement returns undefined.”” — Eric Freeman ★ ★ ★ ★ ★ 2.9 out of 5 (6 ratings) Copy quoteShare
... the results are undefined, and we all know what 'undefined' means: it means it works during development, it works during testing, and it… — Scott Meyers Copy Share Image
“return 0; will return zero (which is the integer referred to on line 3) to the operating system. When a program runs successfully its… — Wiki Books Copy Share Image
“When things consistently fail to compute, it does point to a consistently undefined possibility.” — Edwin F. Becker Copy Share Image
“undefined and NaN are not constants. They are global variables, and you can change their values. That should not be possible, and yet it… — Douglas Crockford Copy Share Image
“You cannot function in an unction you don't take action on.” — Ifeanyi Enoch Onuoha Copy Share Image
“What does it mean to assign the value null to a variable? How about “We intend to assign an object to this variable at… — Eric Freeman Copy Share Image
“When you delete a property, you’re not just deleting the value of the property, you’re deleting the property itself. And, if you try to… — Eric Freeman Copy Share Image
“when you assign a value to a variable name that hasn’t been previously declared, it is treated as a new, global variable. So be… — Eric Freeman Copy Share Image
“Web Workers have a global function named importScripts that you can use to import one or more JavaScript files into your worker. To” — Eric Freeman Copy Share Image
“If the two values have different types, try to convert them into the same type and then compare them” — Eric Freeman Copy Share Image
“Well, it’s a browser policy, and it says you can’t retrieve data from a domain that is different from the domain the page itself… — Eric Freeman Copy Share Image
“Math is not a constructor, or even a function. It’s an object. As you know, Math is a built-in object that you can use… — Eric Freeman Copy Share Image
“When you pass zero to setTimeout, you’re asking JavaScript to run your timeout handler as soon as it possibly can — and this leads… — Eric Freeman Copy Share Image
“JavaScript doesn’t have a character type. So characters are returned as new strings containing one character.” — Eric Freeman Copy Share Image
“Lexical scope means that we can determine the scope of a variable by reading our code.” — Eric Freeman Copy Share Image
“Q: Q: You said getElementsByTagName returns a list. Do you mean an array? A: A: It returns an object that you can treat like… — Eric Freeman Copy Share Image
