[英]Printing in JavaScript is not working fine?
我知道它們的輸出之間沒有區別
var carName = "Volvo XC60";
var carName = 'Volvo XC60';
這段代碼給出了輸出'He is called "Johnny"'
<!DOCTYPE html>
<html>
<body>
<p id="demo"></p>
<script>
var answer2 = "'He is called "Johnny"'";
document.getElementById("demo").innerHTML = answer2
</script>
</body>
</html>
並且下面的這段代碼沒有給出輸出,為什么?
<!DOCTYPE html>
<html>
<body>
<p id="demo"></p>
<script>
var answer2 = '"He is called 'Johnny'"';
document.getElementById("demo").innerHTML = answer2
</script>
</body>
</html>
得到它了!
<!DOCTYPE html>
<html>
<body>
<p id="demo"></p>
<script>
var answer2 = '"He is called \'Johnny\'"';
document.getElementById("demo").innerHTML = answer2
</script>
</body>
</html>
這段代碼在使用反斜杠后給我正確的提示
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