[英]Passing PHP variable to Javascript not working
我正在嘗試將php變量傳遞給javascript,但似乎無法正常工作。 我知道它僅適用於javascript,只是當我嘗試通過PHP傳遞時不起作用。 我究竟做錯了什么?
<?php
$sayIt = "Hello";
echo "
<script type = 'text/javascript'>
var msg = new SpeechSynthesisUtterance($sayIt);
window.speechSynthesis.speak(msg);
</script>
";
?>
這是行不通的,因為PHP會這樣解釋代碼:
<script type = 'text/javascript'>
var msg = new SpeechSynthesisUtterance(Hello);
window.speechSynthesis.speak(msg);
</script>
然后,JavaScript會將Hello視為一個變量,該變量可能未在JavaScript中定義,您應該這樣寫:
echo "<script type = 'text/javascript'>
var msg = new SpeechSynthesisUtterance(\"$sayIt\");
window.speechSynthesis.speak(msg);
";
然后將其解釋為:
<script type = 'text/javascript'>
var msg = new SpeechSynthesisUtterance("Hello");
window.speechSynthesis.speak(msg);
</script>
希望對您有幫助!
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