js equals null
not earlier in the chain to negate .null. If both operands are null, they are strictly equal.See the examples in JS Bin. Converting an object to a primitive. In short, a var is null when its not pointing anywhere. In the other hand, a var equal to "" is a defined var pointing to a variable which contains an empty string. 4 Solutions collect form web for JS: check existence of a var that equals 0.if (toMatch null). Returns true if the strings are the same and false if they are not. Syntax.