var html="<div id='calculator'> \
<div id='result'>0</div> \
<div class='touches'>\
<span>7</span><span>8</span><span>9</span><span>/</span> \
</div> \
<div class='touches'> \
<span>4</span><span>5</span><span>6</span><span>*</span> \
</div> \
<div class='touches'> \
<span>1</span><span>2</span><span>3</span><span>-</span> \
</div> \
<div class='touches'> \
<span>0</span><span>.</span><span>=</span><span>+</span> \
</div> \
</div>";
有如上一个名为html的变量,为什么在多行申明时,每行结尾加个斜杠就没语法错误了呢?(不加的话会报错,我在DW里测试的),请详解“\”的意义。
转义回车不是\r吗