demo.js:
var a = 1; console.assert(a == 2,'a is not equal to 2'); // Assert (for testing, debugging). Pass if a is equal to 2, otherwise output an error message.
demo.js:
var a = 1; console.assert(a == 2,'a is not equal to 2'); // Assert (for testing, debugging). Pass if a is equal to 2, otherwise output an error message.