Question

如何获得获得Web页面上的字符串的像素宽度

若以下回答无法解决问题，邀请你更新回答

Answer 1

String.prototype.trimToPx = function(length)
{
var tmp = this;
var trimmed = this;
if (tmp.visualLength() > length)
{
tmp = tmp.substring(0, tmp.length-1);
if(tmp == "") {
return ""; // Return empty string
}

trimmed = tmp + "…";
while (trimmed.visualLength() > length)
{
tmp = tmp.substring(0, tmp.length-1);
trimmed = tmp + "...";
}
}

return trimmed;
}

Answer 2

你是要根据字符串 生成类似长度和高度相匹配的图片吗