how to find a point exist on a line or not

• October 10, 2018 at 1:19 pm #22992
  
  Prem@123

  I have two points, lets say x1,y1 and x2,y2. and i have one more point x3,y3, here is the question, i need to check is x3,y3 coordinate occurs in the line between x1,y1 and x2,y2 or not occurs in javascript.

  October 10, 2018 at 1:54 pm #22993
  
  Prem@123

  This is line over Canvas, so i want to detect that there is a line or not ?

  October 11, 2018 at 10:51 am #23007
  
  Vishwas R

  @prem123,

  With the help of Equation of Straight Line, you can detect if a point lies on the line or not. Please take a look at this JSFiddle.

  Also, please refer this stackoverflow thread for more info on achieving the same in JavaScript.

  —
  Vishwas R
  Team CanvasJS