esc_js()

esc_js( string $text )

转义单引号、htmlspecialchar“&”,并修复行尾。
Escape single quotes, htmlspecialchar ” &, and fix line endings.
目录锚点:#说明#参数#返回#源码#笔记

说明(Description)

在JS中转义用于回显的文本字符串。它打算用于内联JS(在标记属性中,例如onclick=“…”)。注意字符串必须用单引号。这里还应用了“js_escape”过滤器。


参数(Parameters)

参数类型必填说明
$text (string) 必需 要转义的文本。

返回(Return)

(string)转义文本。

源码(Source)

/**
 * Escape single quotes, htmlspecialchar " <> &, and fix line endings.
 *
 * Escapes text strings for echoing in JS. It is intended to be used for inline JS
 * (in a tag attribute, for example onclick="..."). Note that the strings have to
 * be in single quotes. The filter 'js_escape' is also applied here.
 *
 * @since 2.8.0
 *
 * @param string $text The text to be escaped.
 * @return string Escaped text.
 */
function esc_js( $text ) {
	$safe_text = wp_check_invalid_utf8( $text );
	$safe_text = _wp_specialchars( $safe_text, ENT_COMPAT );
	$safe_text = preg_replace( '/&#(x)?0*(?(1)27|39);?/i', "'", stripslashes( $safe_text ) );
	$safe_text = str_replace( "
", '', $safe_text );
	$safe_text = str_replace( "
", '\n', addslashes( $safe_text ) );
	/**
	 * Filter a string cleaned and escaped for output in JavaScript.
	 *
	 * Text passed to esc_js() is stripped of invalid or special characters,
	 * and properly slashed for output.
	 *
	 * @since 2.0.6
	 *
	 * @param string $safe_text The text after it has been escaped.
 	 * @param string $text      The text prior to being escaped.
	 */
	return apply_filters( 'js_escape', $safe_text, $text );
}
更新版本 源码位置 使用 被使用
2.8.0 wp-includes/formatting.php:4428 18 4

笔记(Notes)

我再也看不到使用esc_js()的价值了。如果确实需要执行内联脚本属性,可以考虑使用wp_json_encode()和esc_attr()执行以下示例,这看起来更易于读取和维护:
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