function render(template, data) {
return template.replace(/\${.(\w+).}/g, function (match, $1) {
console.log(match, $1);
return data[$1];
});
}
console.log(render('My name is ${ name }, I\'m ${ age } years old.', {
name: '小王', age: 20,
})); //My name is 小王, I'm 20 years old.