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Tag: javascript

Javascript arguments shifting

Let’s assume that we have the following function: I understand that data and type are just references to specific values in arguments. But why in the end, data is equal to 3? Answer From https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Strict_mode#Making_eval_and_arguments_simpler: Stri…

Set tooltip on custom leafletjs control

I have made several custom buttons in Leafletjs – now I would like to add a hover-over tooltip to explain what the button does. I’ve tried putting a “title:” and “tooltip:” in the options but still do not see the text when I hover over the control. Answer To answer my own q…

SyntaxError: Unexpected token

I am using MongoDB + Node.js to create an app, but I am receiving an error for this code: company.js api.js Error friends.name: req.body.friendName, SyntaxError: Unexpected token . I also tried with friend[‘name’] but the result was the same: SyntaxError: Unexpected token [ Please tell me where is…

Chart.js — drawing an arbitrary vertical line

How can I draw an vertical line at a particular point on the x-axis using Chart.js? In particular, I want to draw a line to indicate the current day on a LineChart. Here’s a mockup of the chart: http://i.stack.imgur.com/VQDWR.png Answer Update – this answer is for Chart.js 1.x, if you are looking …

Angular create element if another is non-existent

I have a list of states (Florida, Alabama …) and I want to create named anchors above the first occurance of the first letter. Letter Links States I am stuck at <a ng-if=”” id=”{{state.state.charAt(0)}}”>fgsdf</a> I have tried ng-if=”!document.getElementById(sta…