在下面的示例中警告输出时,我得到正确的输出,但是当我console.log
输出时,我得到:Number {}
"width": [ 25,50,75,100 ],jQuery.each(width,function() {
new_width = this;
console.log(new_width);
alert(new_width);
document.querySelectorAll('#source').forEach(function (element,index) {
element.style.width = new_width;
});
});