Newest javascript Questions | Wyzant Ask An Expert

06/19/19

Why does 2 && 3 results in 3 (javascript)?

When I type in browser's console: console.log(2 && 3) it results always with second number (in this case 3): 3 Can someone explain me why?

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Answers •1

Javascript Logic Angularjs

06/19/19

AngularJS ng-if problems with 'f' and 'F'?

Can anybody explain to me why Angularjs `ngIf` directive reads 'f' and 'F' like `false`? Simple example which does not work: <input type="text" ng-model="test" /> <div... more

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Answers •1

Javascript Logic

06/19/19

Can !a!=!!b^!!-!a||!+!a|!c return anything other than 1?

I was playing the Javascript game with somebody and we were having fun making ridiculous and absurd expressions to make our inputs get a particular output. This little charming one ... more

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Answers •1

Javascript Computer Programming Theory Scope

06/06/19

Is window really global in Javascript?

Take this piece of Javascript in a browser: <script> console.log(window.someThing); var x = 12; function foo() { window.otherThing = x; } </script>Inside... more

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Answers •1

Javascript Indesign Adobe Indesign

06/05/19

Why does closing a window in Indesign doesn't work?

I have a question concerning Indesign script. Why does it work, when you close a window like: submitButton.onClick = function(){ close(); } But when I try to execute a function afterwards... more

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Answers •1

Javascript Indesign Adobe Indesign Extendscript

06/04/19

add property to object?

With Indesign scripting, why can't I add properties to an object? I get an error > Object does not support the property or method 'foo' items = b.items(b.layer("s_labels")); for (var i =... more

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Answers •1

Javascript

06/03/19

Explain what is Javascript? List some data types supported by Javascript?

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Answers •1

Javascript

05/31/19

What is the significance, and what are the benefits, of including 'use strict' at the beginning of a JavaScript source file?

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Answers •1

Javascript

05/30/19

Simplest way to plot points randomly inside a circle?

I want to have random points plotted inside a circle, but I do not know how to limit the points to be inside the circle. Given a circle of a certain size and position, how would I go about... more

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Answers •1

Javascript Logic Optimization Immutable.js

05/29/19

immutable.js filter and mutate (remove) found entries?

I have two loops, one for each day of the month, other with all events for this month. Let's say I have 100 000 events. I'm looking for a way to remove events from the main events `List` once they... more

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Answers •1

Javascript

05/28/19

javascript slider weighted values?

I have a JavaScript slider that outputs a value between 0 and 1 depending on its position. I want to convert that value to a value on another scale between say 100 and 1000, but based on the... more

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Javascript

05/23/19

Which large websites use D3.js?

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Javascript

05/22/19

filling circle with hexagons?

I'm trying to find a way to put as much hexagons in a circle as possible. So far the best result I have obtained is by generating hexagons from the center outward in a circular shape. Using... more

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Javascript

05/22/19

How would one create a triangle container for an image (x-browser)?

How would I create a DIV containing an IMG where the DIV cuts the image into a triangle, thereby displaying only part of the image though a triangle. So... ``` <div> <img... more

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Answers •1

Javascript

05/22/19

2D game algorithm to calculate a bullet's needed speed to hit target?

I have a rather simple bird's-view 2D game where tower sprites defend against incoming moving sprites by shooting a bullet at them. My question: How do I calculate the needed bullet speed for the... more

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Answers •1

Javascript Autocad Cad Three.js

05/22/19

Javascript/canvas renderer for CAD/AutoCAD files?

Does anyone know if there's a parser for autocad/cad formatted files in javascript? Or perhaps something server side which can translate cad files to collada so that three.js (and some of the other... more

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Answers •2

Javascript Web Design Angular Js

05/21/19

What are the benefits of react?

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Answers •1

Javascript

05/16/19

Does d3 use jQuery?

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Answers •1

Javascript

05/14/19

How to solve the issue of round number in JavaScript?

I am having an issue in which if I am entering 9 sixteen times and formatting it using `Math.round(9999999999999999)` and it is becoming `10000000000000000`. Oddly enough, when I run... more

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Javascript Indesign Adobe Indesign Extendscript

05/13/19

Run event listener only once after saving InDesign document?

I have a script _(that I did not write)_ that has a `app.addEventListener('afterOpen', addVariables);` event in it (addVariables being the name of the function). I altered it to be... more

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Javascript

05/13/19

What is the difference between the substr() and substring() functions in JavaScript?

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Answers •1

Javascript

05/12/19

Determine if a point is inside a triangle formed by 3 points with given latitude/longitude?

I have 3 points (lat, lon) that form a triangle. Using javascript, how can I find if a point is inside this triangle?

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Answers •1

Javascript

05/08/19

calculate straight line declining?

i have asset (say vehicle) with value of 1000 in this year... var assetCurrentBookValue = 1000 vehicle will depreciate within 5 years... that means the value will become 0 in the next 5... more

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Answers •1

Javascript Logic Parsing

05/06/19

Why does javascript accept commas in if statements?

I stumbled across some javascript syntax that seemed like it should produce a parse error of some kind but doesn't: if (true, true) {console.log('splendid')} else {console.log('horrid')} //... more

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Answers •2

Javascript Indesign Adobe Indesign Regex

05/06/19

Regex defined outside of for loop not working?

Long time user, first time asker; very new to regular expressions. I'm a designer trying to make my life in InDesign easier, so please be patient if this is an easy one :) I'm working on a script... more

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Answers •1

Why does 2 && 3 results in 3 (javascript)?

AngularJS ng-if problems with 'f' and 'F'?

Can !a!=!!b^!!-!a||!+!a|!c return anything other than 1?

Is window really global in Javascript?

Why does closing a window in Indesign doesn't work?

add property to object?

Explain what is Javascript? List some data types supported by Javascript?

What is the significance, and what are the benefits, of including 'use strict' at the beginning of a JavaScript source file?

Simplest way to plot points randomly inside a circle?

immutable.js filter and mutate (remove) found entries?

javascript slider weighted values?

Which large websites use D3.js?

filling circle with hexagons?

How would one create a triangle container for an image (x-browser)?

2D game algorithm to calculate a bullet's needed speed to hit target?

Javascript/canvas renderer for CAD/AutoCAD files?

What are the benefits of react?

Does d3 use jQuery?

How to solve the issue of round number in JavaScript?

Run event listener only once after saving InDesign document?

What is the difference between the substr() and substring() functions in JavaScript?

Determine if a point is inside a triangle formed by 3 points with given latitude/longitude?

calculate straight line declining?

Why does javascript accept commas in if statements?

Regex defined outside of for loop not working?

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