1 <!DOCTYPE html> 2 <html> 3 ????<head> 4 ????????<meta charset="UTF-8"> 5 ????????<title></title> 6 ????????<script type="text/javascript"> 7 ????????????/* 8 ?????????????* = 9 ?????????????* ????可以将符号右侧的值赋值给符号左侧的变量10 ?????????????* 11 ?????????????* +=12 ?????????????* ????a += 5 等价于 a = a + 513 ?????????????* 14 ?????????????* -=15 ?????????????* ????a -= 5 等价于 a = a - 516 ?????????????* 17 ?????????????* *=18 ?????????????* ????a *= 5 等价于 a = a * 519 ?????????????* 20 ?????????????* /=21 ?????????????* ????a /= 5 等价于 a = a / 522 ?????????????* 23 ?????????????* %=24 ?????????????* ????a %= 5 等价于 a = a % 525 ?????????????* ????26 ?????????????*/27 ????????????28 ????????????//------------------------------------------------------------------------29 ????????????30 ????????????var a = 10;31 ????????????32 ????????????//a = a + 5;33 ????????????a += 5;34 ????????????console.log("a = "+a);//1535 ????????????36 ????????????a -= 5;37 ????????????console.log("a = "+a);//1038 ????????????39 ????????????a *= 5;40 ????????????console.log("a = "+a);//5041 ????????????42 ????????????a %= 3;43 ????????????console.log("a = "+a);//244 ????????????45 ????????</script>46 ????</head>47 ????<body>48 ????</body>49 </html>JS基础_赋值运算符
原文地址：http://www.cnblogs.com/ZHOUVIP/p/7652836.html