window.scroll({
top: 2500,
left: 0,
behavior: 'smooth'
});
// Scroll certain amounts from current position
window.scrollBy({
top: 100, // could be negative value
left: 0,
behavior: 'smooth'
});<a href="#" class="scroll-down">
<span> <i class="glyphicon glyphicon-chevron-down"></i> </span>
</a>
input {
pointer-events: none;
}node.js是出错异常了，最关键是要知道哪错了。stack是error很重要的一个属性，可以帮助我们了解代码到底是执行哪一行出错了，比如某个error 的 stack:
Error: "start" option must be <= "end" option
at new ReadStream (fs.js:1931:13)
at Object.fs.createReadStream (fs.js:1885:10)
at /var/www/oncedoc/mod/onceoa-oncedoc/svr/onceoa.web.js:1:2315
at FSReqWrap.oncomplete (fs.js:123:15)var states = remove('./testdir', function() {
console.log('delete complete')
clearInterval(checkTimer)
});
var checkTimer = setInterval(function() {
console.log(states)
}, 500);
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