JavaScript toString () method

Note: In JavaScript, the "." After the number The meaning of the operator is not deterministic. Because it can be either a floating-point flag or an operator that takes an object's properties. But the JavaScript interpreter took him as a sign of floating-point numbers.

JS Operator precedence: brackets > Attribute operators > Single-mesh Operators > Logical operators > Multi-mesh operator > Assignment Operators

The first, the equivalent of

var temp = 2; Temp.tostring ()//So no problem.

The second type is syntax error

2. Being treated as a floating-point number as a whole, equivalent to (2.) ToString (), so error.

Third Kind

2..toString (), the first one . Equivalent to . 0 , the second one . Is the property access, equivalent to (2.0). toString ();

JavaScript toString () method