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JavaScript 逻辑与赋值运算符
tryjsref_assign_logical_and
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<!DOCTYPE html> <html> <body> <h1>JavaScript Assignments</h1> <h2>Logical AND Assignment</h2> <h2>The &&= Operator</h2> <p>If the first value is true, the second value is assigned.</p> <p id="demo"></p> <script> let x = true; x &&= 10; document.getElementById("demo").innerHTML = "x is: " + x; </script> </body> </html>