This attribute describes how much work the task indicated by the progress element requires. The max attribute, if present, must have a value greater than 0 and be a valid floating point number. The default value is 1.
This attribute specifies how much of the task that has been completed. It must be a valid floating point number between 0 and max, or between 0 and 1 if max is omitted. If there is no value attribute, the progress bar is indeterminate; this indicates that an activity is ongoing with no indication of how long it is expected to take.
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Note: The :indeterminate pseudo-class can be used to match against indeterminate progress bars. To change the progress bar to indeterminate after giving it a value you must remove the value attribute with element.removeAttribute('value').
In most cases you should provide an accessible label when using . While you can use the standard ARIA labelling attributes aria-labelledby or aria-label as you would for any element with role="progressbar", when using you can alternatively use the element.
If the element is describing the loading progress of a section of a page, use aria-describedby to point to the status, and set aria-busy="true" on the section that is being updated, removing the aria-busy attribute when it has finished loading.
In most cases you should provide an accessible label when using . While you can use the standard ARIA labelling attributes aria-labelledby or aria-label as you would for any element with role=\"progressbar\", when using you can alternatively use the element.
If the element is describing the loading progress of a section of a page, use aria-describedby to point to the status, and set aria-busy=\"true\" on the section that is being updated, removing the aria-busy attribute when it has finished loading.
The concept of progress was introduced in the early-19th-century social theories, especially social evolution as described by Auguste Comte and Herbert Spencer. It was present in the Enlightenment's philosophies of history. As a goal, social progress has been advocated by varying realms of political ideologies with different theories on how it is to be achieved.
Specific indicators for measuring progress can range from economic data, technical innovations, change in the political or legal system, and questions bearing on individual life chances, such as life expectancy and risk of disease and disability.
GDP growth has become a key orientation for politics and is often taken as a key figure to evaluate a politician's performance. However, GDP has a number of flaws that make it a bad measure of progress, especially for developed countries. For example, environmental damage is not taken into account nor is the sustainability of economic activity. Wikiprogress has been set up to share information on evaluating societal progress. It aims to facilitate the exchange of ideas, initiatives and knowledge. HumanProgress.org is another online resource that seeks to compile data on different measures of societal progress.
The Social Progress Index is a tool developed by the International Organization Imperative Social Progress, which measures the extent to which countries cover social and environmental needs of its citizenry. There are fifty-two indicators in three areas or dimensions: Basic Human Needs, and Foundations of Wellbeing and Opportunities which show the relative performance of nations.
Scientific progress is the idea that the scientific community learns more over time, which causes a body of scientific knowledge to accumulate.[6] The chemists in the 19th century knew less about chemistry than the chemists in the 20th century, and they in turn knew less than the chemists in the 21st century. Looking forward, today's chemists reasonably expect that chemists in future centuries will know more than they do.[6]
From the 18th century through late 20th century, the history of science, especially of the physical and biological sciences, was often presented as a progressive accumulation of knowledge, in which true theories replaced false beliefs.[7] Some more recent historical interpretations, such as those of Thomas Kuhn, tend to portray the history of science in terms of competing paradigms or conceptual systems in a wider matrix of intellectual, cultural, economic and political trends. These interpretations, however, have met with opposition for they also portray the history of science as an incoherent system of incommensurable paradigms, not leading to any scientific progress, but only to the illusion of progress.[8]
Whether other intellectual disciplines make progress in the same way as the sciences is a matter of debate. For example, one might expect that today's historians know more about global history than their ancient counterparts (consider the histories of Herodotus). Yet, knowledge can be lost through the passage of time, or the criteria for evaluating what is worth knowing can change. Similarly, there is considerable disagreement over whether fields such as philosophy make progress - or even whether they aim at accumulating knowledge in the same way as the sciences.[9]
Aspects of social progress, as described by Condorcet, have included the disappearance of slavery, the rise of literacy, the lessening of inequalities between the sexes, reforms of harsh prisons and the decline of poverty.[10] The social progress of a society can be measured based on factors such as its ability to address fundamental human needs, help citizens improve their quality of life, and provide opportunities for citizens to succeed.[11]
Social progress is often improved by increases in GDP, although other factors are also relevant. An imbalance between economic and social progress hinders further economic progress, and can lead to political instability.[11] Where there is an imbalance between economic growth and social progress, political instability and unrest often arise. Lagging social progress also holds back economic growth in these and other countries that fail to address human needs, build social capital, and create opportunity for their citizens.[11]
Historians Leo Marx and Bruce Mazlish asking, "should we in fact abandon the idea of progress as a view of the past," answer that there is no doubt "that the status of women has improved markedly" in cultures that have adopted the Enlightenment idea of progress.[16]
In turn, this gave rise to progressive opinion, in contrast with conservational opinion. The social conservationists were skeptical about panaceas for social ills. According to conservatives, attempts to radically remake society normally make things worse. Edmund Burke was the leading exponent of this, although later-day liberals like Friedrich Hayek have espoused similar views. They argue that society changes organically and naturally, and that grand plans for the remaking of society, like the French Revolution, National Socialism and Communism hurt society by removing the traditional constraints on the exercise of power.
In Italy, the idea that progress in science and technology would lead to solutions for human ills was connected to the nationalism that united the country in 1860. The Piedmontese Prime Minister Camillo Cavour envisaged the railways as a major factor in the modernization and unification of the Italian peninsula. The new Kingdom of Italy, formed in 1861, worked to speed up the processes of modernization and industrialization that had begun in the north, but were slow to arrive in the Papal States and central Italy, and were nowhere in sight in the "Mezzogiorno" (that is, Southern Italy and Sicily). The government sought to combat the backwardness of the poorer regions in the south and work towards augmenting the size and quality of the newly created Italian army so that it could compete on an equal footing with the powerful nations of Europe. In the same period, the government was legislating in favour of public education to fight the great problem of illiteracy, upgrade the teaching classes, improve existing schools, and procure the funds needed for social hygiene and care of the body as factors in the physical and moral regeneration of the race.[27]
Among environmentalists, there is a continuum between two opposing poles. The one pole is optimistic, progressive, and business-oriented, and endorses the classic idea of progress. For example, bright green environmentalism endorses the idea that new designs, social innovations and green technologies can solve critical environmental challenges. The other is pessimistic in respect of technological solutions,[29] warning of impending global crisis (through climate change or peak oil, for example) and tends to reject the very idea of modernity and the myth of progress that is so central to modernization thinking.[30] Similarly, Kirkpatrick Sale, wrote about progress as a myth benefiting the few, and a pending environmental doomsday for everyone.[31] An example is the philosophy of Deep Ecology.
Sociologist Robert Nisbet said that "No single idea has been more important than ... the Idea of Progress in Western civilization for three thousand years",[32] and defines five "crucial premises" of the idea of progress: 152ee80cbc
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