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Update README.md

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kzc 2017-05-20 08:24:35 -04:00 committed by GitHub
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@ -307,8 +307,8 @@ Example:
```javascript
var code = "function add(first, second) { return first + second; }";
var result = UglifyJS.minify(code);
console.log(result.error); // runtime error, or `undefined` if no error
console.log(result.code); // minified output: function add(n,d){return n+d}
console.log(result.error); // runtime error or undefined if no error
```
You can also compress multiple files:
@ -334,12 +334,12 @@ console.log(result.code); // console.log(function(n,o){return n+o}(3,7));
To produce warnings:
```javascript
var result = UglifyJS.minify("function f(){ var u; return 2 + 3; }", {
warnings: true
});
console.log(result.code); // function f(){return 5}
var code = "function f(){ var u; return 2 + 3; }";
var options = { warnings: true };
var result = UglifyJS.minify(code, options);
console.log(result.error); // runtime error, `undefined` in this case
console.log(result.warnings); // [ 'Dropping unused variable u [0:1,18]' ]
console.log(result.error); // runtime error, undefined in this case
console.log(result.code); // function f(){return 5}
```
An error example: