I think the following code will be convenient to have in prototype.js:
Object.extend(String.prototype, {
escapeJS: function() {
var text = "";
for (var i = 0, len = this.length; i < len; i++) {
var ch = this.charAt(i);
switch (ch) {
case '\b':
text += "\\b"
break;
case '\n':
text += "\\n"
break;
case '\t':
text += "\\t"
break;
case '\f':
text += "\\f"
break;
case '\r':
text += "\\r"
break;
case '\"':
text += "\\u0022"
break;
case '\'':
text += "\\u0027"
break;
case '\\':
text += "\\\\"
break;
default:
text += ch;
}
}
return text;
}
}
);
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