JavaScriptJavaScript Function Current Time0:00 / Duration-:- Loaded:0% In JavaScript, sometimes it’s convenient to store function names in the string because we can use those strings to call the actual functions. We can call a JavaScript function whose name is stored in a string variable usi...
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pop() is a method in Javascript whose function is to remove the final element from an array and to return that element. Hence after using this method the length of the array will be changed. Basically an array can contain a boolean, a number, string or any other object type which is a...
showThesaurustrueShows a thesaurus and word meaning lookup duringspellCheckInDialog showLanguagesInContextMenutrueAllows the user to change dictionary 'on the fly' when usingspellAsYouType serverModel"auto"Chooses the server model that does the 'behind the scenes' AJX spellchecking requests. We suppo...
This makes the parameternamerequired. Meaning, it will throw an error if the parameter is left empty or assignedundefinedlike so. // This will throw an error because no name is providedhello();// This will also throw an errorhello(undefined);// These are good!hello(null);hello('Wordl!
Introduction to JavaScript UUID A universally unique identifier (UUID) is an identifier of the 128-bit value that is used in the construction of software. Each bit present in the value differs by the meaning as several variants are considered. The main objective of this UUID is every time the...
I cheated a bit in callingcalla primitive, but the meaning is essentially the same as had I pulled out the spec at the beginning of this article and quoted chapter and verse. There are also some additional cases (most notably involvingwith) that I didn't cover here....
We used theg(global) flag because we want to replace all occurrences of a character in the string. If you ever need help reading a regular expression, check out thisregular expression cheat sheetby MDN. It contains a table with the name and the meaning of each special character with exampl...
In JavaScript, every function creates a scope. Meaning, variables defined usingvarinside a function cannot be accessed outside of it. If you were to add two JavaScript files to your page. All the variables defined globally inside the first file will automatically be available in the second. (...
propagates errors, meaning that if the input contains an error (e.g., #VALUE!, #REF!), the function will return the same error. 6.1 Troubleshooting the error value When you encounter an error value in a cell a warning symbol appears, displayed in the image above. Press with mouse on ...