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JavaScript 箭头函数运算符
tryjsref_oper_arrow
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<!DOCTYPE html> <html> <body> <h1>JavaScript Operators</h1> <h2>The Arrow Function Operator</h2> <p id="demo"></p> <script> const addArrow = (a, b) => a + b; let result = addArrow(1,2); document.getElementById("demo").innerHTML = "a + b = " + result; </script> </body> </html>