进度条宽度 [英] Progress bar width

问题描述

我的代码旨在通过计算百分比并将其作为style.width传递来设置进度条的宽度.我是新手，因此对错误的代码表示歉意:

My code is designed to set the width of my progress bar by calculating the percentage and passing it as a style.width. I am a novice, so apologise for the bad code:

jQuery

$(document).ready(function() {
var width=(1/5*100);
$('#progress_bar').css('width','=width + "%"');
});

HTML

<div id="progress_bar" style="height:1em; background:red; display:block;"></div>

请稍等的人能帮助我，使其正常工作，并告诉我哪里出了问题，以便我可以从中学到什么?

Could someone with a second to spare please help me to get it working and show me where I've gone wrong so I can learn from this?

http://jsfiddle.net/SyxAM/

推荐答案

字符串'=width + "%"'不能是css参数的值.

The string '=width + "%"' can't be the value of a css parameter.

您可能想要

 $('#progress_bar').css('width', width + "%");

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