在JavaScript中有没有简单的类似功能呢？
$find = array("<", ">", "\n");
$replace = array("<", ">", "<br/>");
$textarea = str_replace($find, $replace, $textarea);
这是使用PHP的str_replace，它允许您使用一个单词数组来查找和替换.我可以使用JavaScript/jQuery做类似的事情吗？
...
var textarea = $(this).val();
// string replace here
$("#output").html(textarea);
...
您可以使用自己的函数来扩展String对象，该函数可以执行您需要的操作(如果缺少功能，则非常有用):
String.prototype.replaceArray = function(find, replace) {
var replaceString = this;
for (var i = 0; i < find.length; i++) {
replaceString = replaceString.replace(find[i], replace[i]);
}
return replaceString;
};
For global replace you could use regex:
String.prototype.replaceArray = function(find, replace) {
var replaceString = this;
var regex;
for (var i = 0; i < find.length; i++) {
regex = new RegExp(find[i], "g");
replaceString = replaceString.replace(regex, replace[i]);
}
return replaceString;
};
To use the function it'd be similar to your PHP example:
var textarea = $(this).val();
var find = ["<", ">", "\n"];
var replace = ["<", ">", "<br/>"];
textarea = textarea.replaceArray(find, replace);