Parsing Expression
Here is how we can parse JavaScript expressions.
Jsep.Node node = new Jsep('1 + 2').parse();Parsing Guide
Parsing
Expression Support
Supported Unary Operator
| Name | Description |
|---|---|
| - | Negate number |
| ! | Negate boolean |
| ++ | Only prefix supported |
| -- | Only prefix supported |
Supported Logical Operator
| Name | Description | ||
|---|---|---|---|
| && | Logical and | ||
| \ | \ | Logical or |
Supported Binary Operator
| Name | Description |
|---|---|
| == | Apex == |
| != | Apex != |
| === | Apex == |
| !== | Apex != |
| < | Apex < |
| > | Apex > |
| <= | Apex <= |
| >= | Apex >= |
| + | Apex + |
| - | Apex - |
| * | Apex * |
| / | Apex / |
| % | Apex Math.mod |
Supported Structure
| Name | Description |
|---|---|
| Conditional Expression(? :) | Yes |
| Array Literal | Yes |
| Object Literal | Yes |
For example,
ScriptEngine.getInstance.eval('["a", "b"]'); // Array literal
ScriptEngine.getInstance.eval('{ "name": "test", age: 18 }'); // Object literalContribute on Github! Edit this section.